Gm 12 Bolt Rear End Identification

2 BOP rearend. 1955-1964 Chevy 3. The downside to the Isuzu Amigo axle is the 6 on 5. It has a film strength second to none. The 10-bolt differential fits all pass. Original 12 Bolt Rear End Cover Chevy Camaro Chevelle Nova Posi Z28 Ls6 302 396. 8 Inch Rearend. Home Rear Ends. 5" ring gear GM axle. Please select a rear end that matches your vehicle below. If it was positive traction, I would be asking a lot more. Axle Guys is the second hand provider of a S10 8. Its a GM 12 bolt, number cast into the housing on the front passenger side is NF3896838. The 1962-63 serial numbers are located on the front, right side of the differential carrier. Some people trash talk the GM 10-bolt as a junk rear end, and if they are talking about the 8. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. FORD, CHEVROLET, DODGE, CUSTOM. 875Cover Bolts: 12Ring Gear Bolts: 12Spline Count: 30Dropout: FalsePinion Support: FalseCarrier Breaks: 2. Visual identification markers include the number of differential cover bolts, bolt-in or c-clip style axles, axle splines and the presence of a pinion support. Severe angles create reduced turning radius and can result in binding and broken rod ends. Package includes; New Moser 12-Bolt Made in the U. 5 rear end for sale at an affordable price tag. 5 "Corporate" rear end was a corporate cost cutting measure to reduce inventory (from two different rear ends with a 10 and 12 bolt to only one 10 bolt). 940” seal diameter. 00 Axle Bearings and Seals only. The Chevrolet K5 Blazer is a full-size sport-utility vehicle that was built by General Motors. Most GM 10- and 12-bolt axle assemblies have C-clips retaining the axles, but some Buick, Oldsmobile, and Pontiac 10-bolt housings have bolt-in axles. Ring Gear Diameter: 8. Are you planning on tubbing the car? If not, then just switching to a 4 link will gain you some space for wider tires. 0 mercury engines. 2" ring gear from 1964 to 1972. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. 07:1 axle ratio, non-posi, 12-bolt rear axle assembled on November 22, 67 or 68 by the Detroit Gear & Axle plant, second shift. 31 but now has a 3. Check Ebay there are companys that sell housing /axle kits that are prenarrowed to the width you want,and have 55-57 spring perchs welded on. This yoke is made from 1440 steel. 5" or not, you can measure the distance between the very bottom bolt for the cover and the next adjacent bolt (either right of left), it will be 3-3/4" for a 8. Two rear end casting numbers have been found on 12-bolt rear ends, #3894939 on 'early' models and #3917124 on 'late' models; casting #3917124 was also used on 1968 and early 1969 Chevelles but in the wider width. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Hello, I need some help to ID a 10 Bolt GM Rear end, that has code DN (Delta Nancy) on the Axle Housing left tube upper, On the right side of the axle housing tube, has the number - 3142, and then another number that is 8780100. It has the following codes : 3894860 NF , H288 , BV 0903G2 E. In the wet of England (like the wet of Vancouver), a limited slip can do 1 of 2 things for you depending on the power and traction you have: 1) either get you going without the hassle of 1 tire spinning or 2) kicking the rear end out when you don't want it to when the tires break loose. Visual identification markers include the number of differential cover bolts, bolt-in or c-clip style axles, axle splines and the presence of a pinion support. to within. 25" IFS front end parts, to the large 11. it is in a 1977 chevy k/20. For instance, the truck 12-bolt uses a smaller inner pinion-bearing (1. C-clips are by far the most common method of axle retainers, but they are also not legal for drag racing below 10. Rear Axle Code example: CB G 112 1 E (CB = Ratio, G = Plant, 112 = 112th day of year, 1 = shift, E = Positraction Source) Assembly Plant Codes Buick - B Buffalo - C Cadillac - D Detriot Gear & Axle - G GM of Canada - K Warren, MI - W Oldsmobile - O Pontiac - P Pontiac/Canada - M Shift: D or 1 = Day shift| N or 2 = Night shift Positraction. Visit Murray Chevrolet Buick GMC Abbotsford serving Vancouver, Burnaby & Surrey, BC. These numbers are located on the axle tubes on a 5 Lug Rear from a 6 Cyl 1971 chevy S/B truck. Get the best deals on Rear Differentials & Parts for 12 when you shop the largest online selection at eBay. The Chevy’s rear axle code contains information on the vehicle’s gear ratio, date of manufacture and the rear axle assembly plant. Ford pattern GM T5 to Chevrolet Muncie bell housing transmission adapter. The PA 0606 may have an additional character after the 0606 but I cant tell for sure. Locate Mustang 9 Inch Rear End on sale below with the largest choice of Mustang 9 Inch Rear End anywhere online. GM Differential Identification & Specs. We offer a plethora of Gm 12 Bolt Chevelle for your vehicle needs. eBay Logo: Shop by category. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. Our Ring and Pinion sets are reasonably priced and are the highest quality aftermarket gear sets available. 62" 64-77 Chevelle, 73-76 Torino. Common 70's GM rear ends 12 bolt Olds: 12 cover bolts,12 ring bolts, large round cover, 31 spline BIA's No gears available, steepest stock set 3. 25" FRONT AXLE / IFS / 4WD and AWDGM 7. 5 rearend uses an oval cover and the housing has two small cast-in protrusions near two of the bottom cover bolts. So what is out there is it. Axle shafts are common to the housing used, and due to the usual characteristics like overall length and spline count, the shafts only interchange with the housing that is used. The GM 12-bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing. The center section is removable from the front of the housing. on the market! The newly cast nodular iron housing is a direct replacement 12 bolt rear end for the 1964-1972 GM A-Body Chevelle, Malibu, GTO, etc. The Chevrolet K5 Blazer is a full-size sport-utility vehicle that was built by General Motors. They are designed for Chevy 10 or 12 bolt axles 9" FORD FLANGE REAR BRAKE KITS CA-PROP. 10 in this olds 12 bolt rear. Assembly Plants. As for all the local and big chain parts stores - they will all gladly sell you a "strap kit" for a "1-ton GM rear axle" or "GM 10. The 1962-63 serial numbers are located on the front, right side of the differential carrier. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. In Chevy Differentials: How to Rebuild the 10- and 12-Bolt, author Jefferson Bryant walks you through the entire process of disassembling, evaluating, and rebuilding the perfect differential for your GM application. WE REBUILD TO YOUR SPEC'S. Loading Unsubscribe from Cary Lamari? Why I will never own another chevy axle, 12 bolt fail. GM 14 Bolt Axle Overview. Dexter is a trusted brand serving the utility trailer, recreational vehicle, marine, agricultural, and specialty markets. 08 open rear end with 28 spline axles. 09 now days. ChevelleStuff. To identify what axle came in your Jeep, check out "Axle Axtravaganza" in the May '07 issue. However, the smaller 10-bolt unfairly gained the reputation as a weak and inadequate rear end for high-performance applications. the axle shafts are held in with bolts. There are many different types, but we'll do a quick pass over the most common ones here. 3l-4l60e loaded 6" on 35s~driven daily. 5" and 3-1/4" for a 7. 5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8. Re: 12 bolt codes / casting numbers and rear axle ? help Look on the front of the passenger side axle tube for the code about half way between the center section and the brake backing plate. The cross bar is machined down for additional clearance. Antique Cars Classics Customs Hotrods Leadsleds Roadsters Streetrods Trucks Turbine Car 40 31 Ford 67 Dodge Charger 61 Chrysler Images Specs Pictures Photos. OK I got this rearend out of a 66 C10. Chevy rearends will have a casting date on the rearend at the bottom of the rear center section in a recessed area. To Fit a 1350 "U" Joint. 75 Corporate from this site. Get a look inside the GM's 14 bolt, the ultimate junkyard axle that is strong and plentiful as we tear one down and upgrade common areas. Look next to the rear end cover bolts at 5 and 7 o'clock. 5 rearend denotes it is usable for any 1978-’88 GM A or G-body intermediate like a Cutlass, Monte Carlo, El Camino, Malibu, Regal, or Grand Prix. The rear disc brake conversion kit adapts Cadillac Seville and Eldorado rear calipers and 11 inch rear rotors. Classic Industries offers a wide selection of 1967 Chevrolet Chevy II Nova parts, including 1967 Chevrolet Chevy II Nova interior parts and soft trim, 1967 Chevrolet Chevy II Nova exterior sheet metal, 1967 Chevrolet Chevy II Nova moldings, 1967 Chevrolet Chevy II Nova emblems, 1967 Chevrolet Chevy II Nova weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. 5" 38 Spline Upgrade. Differential Carrier Cases. These custom axle u-bolts can be shipped anywhere by UPS. Narrowing a 12 bolt. Rearend Quick ID - An 8. Oral Squamous Cell Carcinoma Burberry Logo Wallpaper Ipad Surprised Clipart Black And White. 1965-72 Camaro Chevelle Nova 12 Bolt Rear End Bearing Kit USA (REP-1109) Camaro 12 bolt rear end or rear axle bearing kit. Two rear end casting numbers have been found on 12-bolt rear ends, #3894939 on 'early' models and #3917124 on 'late' models; casting #3917124 was also used on 1968 and early 1969 Chevelles but in the wider width. 42 POSI REAR END 30 SPLINE 12 BOLT STRENGTH 8. Aluminum drive ends with the 2-bolt straight-across pattern use holes A & B. Get it as soon as Fri, Oct 18. 00] Tube of Grease. The carrier is the posi unit, or in an open rear just the carrier. I can help with a 'bolt in lump port kit' or a 'performance intake lump port head' work for your inline Chevy 194, 230, 250, 292 and 153,181, 2. GM 12-bolt Similar to the GM 10-bolt. Chevy/GMC Dana 44 and 12 Bolt Rear End 4x4 6 lug 373 Gears Posi Pickup only Other square body parts available 1973-1991 480. Supercharger Kits, Edelbrock. Look at the specs for the ID. The best oil we have ever tested is Royal Purple. So I assume the cover has 12 bolts on it? Cause the Casting Id Number seems to point to a 10 bolt rear??? 396927nf. This axle is commonly used with big engines and/or overly large tires. Antique Cars Classics Customs Hotrods Leadsleds Roadsters Streetrods Trucks Turbine Car 40 31 Ford 67 Dodge Charger 61 Chrysler Images Specs Pictures Photos. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. These adapters bolt to the pinion flange with 12mm x 1. pretty sure the 3896839 code is the GM diff. The most popular rear end around is no doubt the Ford 9 inch unit, it is used by restorers, street rodders and racers alike, regardless of what brand of car the axle is going in. The Moser Engineering GM 12 Bolt: The strongest 12 bolt rear end for the 1964-1972 GM A-Body Chevelle, Malibu, GTO, etc. AWD V8 GM 10 bolt front axle vs dana 44 vs dana 60 How to tell what you got 1973. This means parts are not interchangeable, which can come back to bite you later if you buy the wrong assembly. Comes complete with nut, washer, and U-bolt. GM 12 Bolt Passenger Car GM12P Rear Differential Parts - Ring Gear Diameter: 8. 2 carrier and ring and pinion. To look over our selection of differential housings, Click Here. CSI Automotive Sales, Service & Parts. Basically what I want to pull out of the decode is if it's a camaro 12 bolt, what gear it came with and if that gear was posi. 6 out of 5 stars 3. FAB Quest FREE Automotive Tools Axle ID Identification Chart for Dana GM Ford Axles Cars and Truck Differential Besides The Common GM 10 Bolt or 12 Bolt, Ford 9 Inch or Dana 44 Dana 60. 5 10 bolt rear your 12 bolt is becoming rarer every year and is worth good money to the right person. All I know is that it's a 12-bolt, how will I go about decoding it once I get there. These custom axle u-bolts can be shipped anywhere by UPS. FORD, CHEVROLET, DODGE, CUSTOM. If it was positive traction, I would be asking a lot more. 1955-1964 Chevy 3. Differential Carrier Cases. 1940-1953 Chevrolet GMC Truck 12 Volt Tail Light Conversion Kit Only $12. These custom axle u-bolts can be shipped anywhere by UPS. Some pictures to help. The GM 12-bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing. So I assume the cover has 12 bolts on it? Cause the Casting Id Number seems to point to a 10 bolt rear??? 396927nf. r002303 inner nut 119883, 12417, 42222, 66224, e2303, l1355, m1980 4" 3-1/4"-12 3/8" r002305 outer nut 119881, 12419, 42223, 66226, e2305, l1353, m1978 4" 3-1/4"-12 3/8" meritor tr axle washers. The guy that I got it from claims that it is a 1965 12 bolt rear axle assembly with new 3:08 gears. 5 rear end beginning in 1995. From 62 - 72 GM liked to use an Eaton rear axle too (in addition to the 12 bolt). 5 rearend uses an oval cover and the housing has two small cast-in protrusions near two of the bottom cover bolts. Although it may not be as popular as a 9-inch Ford in drag race applications, the 12-bolt does have a number of plusses (not the least of which is decent strength when carefully prepped). Terms & Conditions. 2 Chevy-style has a round cover with an indentation running across the cover (like the 12-bolt Chevy) and 2 casting projections on the top of the rear. I have always had a problem with the rear axle that came with my Trans Am: Known as RPO Code GT4, my original axle assembly came equipped with ten-inch rear rotors, coupled to 26-spline axles that were splined to an Eaton Guv-lock differential with a 7. 515-232-0126 Ames, Iowa. 875t (12bolt truck) here at Drive Train Specialists -- your trusted source for quality drivetrain parts, accessories, and services. 8 Rear-End; How to Narrow a Ford 8. It looked OK, but we wanted to check out the the clutches before we stab this posi into our 12 bolt differential that is destined for our project 65 Impala SS. Bolt patterns can be 4, 5, 6, or 8 lug holes. The Troopers use a 4-link, coil spring setup. 5 rear end beginning in 1995. Browse your favorite brands affordable prices free shipping on many items. 10Rear Suspension: SolidPinion Nut Size: 1-. It is the stamped identification number on a 12 bolt rear housing for a Chevy/GMC vehicle that measures 60. 5" 10-bolt is actually just as strong as a 12-bolt or Ford 9-inch rear, with only a fraction of an inch difference in the ring-gear diameter. This bulletin is being issued to inform dealers about the compatibility and usage of the new Fuel Efficient SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (In Canada use P/N 10953455), with current axles, and with the non-synthetic axle lubricant, GM P/N 1052271 (In Canada use P/N 10950849), for the rear axles on the above light-duty trucks. Year Description Ring Gear Axle Shaft Spline Gear Detroit Detroit Eaton Eaton GM 12 bolt car 8. Get it as soon as Fri, Oct 18. 5" rear end" or a "14 bolt full floater" or a "1980 Chevy K30 1 ton 4x4 " or whatever else you have to say to them to get one - but, in my experience (NAPA, Car Quest, Canadian Tire, and a couple of local. 0L 4 Spd FWD B7ZA / M7ZA CL 2001-06 V6 3. 5" ring gear GM axle. FAB Quest FREE Automotive Tools Axle ID Identification Chart for Dana GM Ford Axles Cars and Truck Differential Besides The Common GM 10 Bolt or 12 Bolt, Ford 9 Inch or Dana 44 Dana 60. This is an open real end. We can also make custom suspension U bolts based on the dimensions that you need. Visual identification markers include the number of differential cover bolts, bolt-in or c-clip style axles, axle splines and the presence of a pinion support. We do have gears, lockers, etc for the semi-floating (9. Showcasing ford rear end axle available for purchase today! Vintage Car Restoration. Chevy high performance "If you are building a cruiser and want to keep everything GM, the 12-bolt is more than capable of taking the abuse. 3L 4 Spd FWD B6VA CL 1996-00 V6 3. Axle Identification Chart DANA 25/27 These Danas are indistinguishable in appearance. GM Positraction rearends have been around since 1957, in several different ring-gear diameters, but the 8. With less moving parts, custom 4x4 leaf spring suspension systems are a relatively easy install and for about half the cost of a 4 link suspension kit. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. 150: 9133 : Olds/Pont Ball Bearing: 1. VIN:3GNCJPSB4KL383858. Camaro/Firebird 82-2002 9" Moser Bolt-In Rear End Assembly, Price will vary due to options, but starting price is $2300. Casting # XXXXX and NF3896839 on center housing. As for all the local and big chain parts stores - they will all gladly sell you a "strap kit" for a "1-ton GM rear axle" or "GM 10. They are designed for Chevy 10 or 12 bolt axles 9" FORD FLANGE REAR BRAKE KITS CA-PROP. New, Used and. 67-91 GM Transfer case/ drive train/ axle guide Part 1 It's a very well written piece and if you scroll down about 3/4 of the write up you'll find a nice 72' K5 that I'm sure we'd all love to have sitting in the driveway!. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. hi there, got real strange gm axle, it has 10 bolt cover but 12 bolt carrier. One important distinction is that the 71-81 Camaro axle is what's called an 8. 12 Bolt 373 Posi Rear Cary Lamari. Filthy Motorsports offers a wide range of OEM and aftermarket parts for just about every axle out there so whether you're rebuilding an old Dana 44 for your Jeep CJ8, building a Ford 9 Inch for your drag racer, or putting together a fully custom Dana 60 for your rock crawler, we have the parts you need to make it happen. The crossbar houses the load bolts that apply pressure to the bearing caps. Browse your favorite brands affordable prices free shipping on many items. 12 bolt shafts fit other 12-bolts, and 10 bolt shafts fit other 10-bolts. Early Ford Beam Axle Identification and Dimensions; How To Box-In a Differential / Solid Axle Rear-End Housing; How To Decode Ford Part Numbers; How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8. If you don’t see a U bolt that meets your specifications in our catalog, please use our inquire form. 10 bolt BIA. 2 12V DC Power Outlets; 2 LCD Monitors In The Front; 2 Seatback Storage Pockets; 4-Way Passenger Seat -inc: Manual Recline and Fore/Aft Movement; 6 Speakers; 6-Way Power Driver Se. to within. GM differentials come in a wide range of sizes. Package includes; New Moser 12-Bolt Made in the U. The rear end casting numbers are F215, GM4, and PA 0606 and also the 3852980N, also 12 bolt. 5" or not, you can measure the distance between the very bottom bolt for the cover and the next adjacent bolt (either right of left), it will be 3-3/4" for a 8. the smaller 14 bolt, with it's 9 1/2" ring gear, is a semi-floating design. CHEVY 12 BOLT 8. 08: 40/13: WE: YE: 1965: GTO: 3. When looking at a 12-bolt rearend, it is important to know that 12-bolt axle assemblies use different components for cars and trucks. The guy that I got it from claims that it is a 1965 12 bolt rear axle assembly with new 3:08 gears. In 1970 the rear end was built in both 10 and 12 bolt versions. GM 12 Bolt 8. 5" rear end" or a "14 bolt full floater" or a "1980 Chevy K30 1 ton 4x4 " or whatever else you have to say to them to get one - but, in my experience (NAPA, Car Quest, Canadian Tire, and a couple of local. For 6 lug rear ends, the 64-69 1/2 ton 2wd Chevy (and some GMC) trucks have a 12 bolt rear, about 60-61" wide (I measure them where the wheels bolt on). A different 12-bolt differential was used for light truck applications and those 12-bolt units are not interchangeable. 8L 4 Spd FWD MPRA. It does mention Dana axles up front, but not in the rear. Find great deals on eBay for gm 12 bolt rear end. Complete Axle Assemblies. Get the best deals on Rear Differentials & Parts for 12 when you shop the largest online selection at eBay. 10 in this olds 12 bolt rear. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. It has RV 0306 W 2 stamped on top of Passenger side axle housing. 1955-1964 Chevy 3. 5" and 3-1/4" for a 7. Currie 12-bolt rearend with direct bolt-in fit for r 1964 thru 1972 Chevelle, El Camino, Skylark, GTO, 442 and other GM A-body vehicles. Chevrolet 8. In actuality, the term 12-bolt is due to the 12 bolts holding the ring gear to the differential. The 2016 Chevy Colorado offers two rear axles, a 3. 07:1 axle ratio, non-posi, 12-bolt rear axle assembled on November 22, 67 or 68 by the Detroit Gear & Axle plant, second shift. This feature is not available right now. F=Assembly Plant Flint 05=Assembled May 12=Assembled 12th Day of Month WM=283 V-8 with Powerglide. But, much of the information will be applicable to the original factory positraction units (originally made for GM by DANA). CHEVROLET 12-BOLT 1/2-TON TRUCK Bearing Set This bearing, race and seal set is the finest money can buy. Gm 12 Bolt Chevelle. eBay Logo: Shop by category. 5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8. Gm Chevy 12 Bolt Truck Axle 3. This is an original 1969 GM Chevrolet Camaro SS 12 Bolt Posi Rear End. If you choose this axle, you'll want to convert either the front (a Wagoneer 44 would do it) or the rear to make the wheel bolt pattern the same. Chevrolet enthusiasts around the world have used the Chevy 12 Bolt rear end in countless street and race car applications. Axle housing is shipped with inner axle seal and seal housing. Differential & Rear-End Components for 1966 Chevelle Bolts, GM Ring Gear, ARP, 10 & 12 Bolt, 3/8. This assembly used an 8. American Axle & Manufacturing (AAM) has announced the availability of new rear axle components for several 2014 GM trucks and SUVs. The Camaro offered 2 kinds of rear-axles the ten bolt(8. On the other hand. Differential Covers. Both 10 and 12 bolt services are offered. Description. The 10 bolt Chevelle rear end has the 8. 875" 12 Bolt axle including ring and pinion sets, axle rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, oil, and more. 12 BOLT WITH 4 SERIES POSI UNIT--4. 31 but now has a 3. gm corporate 14-bolt With a 10 1/2-inch-diameter ring gear, the biggest 14-bolt GM rearend looks much like a Dana 70, and is but a few thousandths of an inch shorter in ring gear diameter. 2) and the 12 bolt. Richmond Gear is the leading manufacturer of professional quality, high performance ring and pinion sets. Can anyone help me identify this axle?. 2 12V DC Power Outlets; 2 LCD Monitors In The Front; 2 Seatback Storage Pockets; 4-Way Passenger Seat -inc: Manual Recline and Fore/Aft Movement; 6 Speakers; 6-Way Power Driver Se. 438 inches versus 1. Transmission Identification Charts ACURA Model Year Engine Trans Type Transmission CL 1996-97 L4 2. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. 12 Bolt Street Gears are designed to withstand the rigors of everyday driving, and a weekend at the track. Check Ebay there are companys that sell housing /axle kits that are prenarrowed to the width you want,and have 55-57 spring perchs welded on. If it was positive traction, I would be asking a lot more. Early Ford Beam Axle Identification and Dimensions; How To Box-In a Differential / Solid Axle Rear-End Housing; How To Decode Ford Part Numbers; How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8. Technical Is this indeed a GM 12 bolt There might be some stamped numbers/letters on top of one of the axle tubes, which can help with ID. The Chevrolet K5 Blazer is a full-size sport-utility vehicle that was built by General Motors. 10 that will fit a 3-series carrier, and a different set for the 4-series. Ford 9 inch is the way to go - Duration: 3:53. Axle Shaft Removal. It consists of a two or three letter prefix representing the gear ratio code, four-digit number for the assembly date in a month/day format and a single letter denoting the manufacturing location. A "true 12-bolt" has come to mean a Chevy c-clip 12-bolt rear. The crossbar houses the load bolts that apply pressure to the bearing caps. description replaces across flats thread size thickness o. March - April 2003 Lane Racing And Rodding Article By Jim Kaekel, Jr. Terms & Conditions. 07:1 axle ratio, non-posi, 12-bolt rear axle assembled on November 22, 67 or 68 by the Detroit Gear & Axle plant, second shift. Example: BL 1122 G2 For a 68 or 69 model, this is interpreted as a 3. The reason the AMC 20 flexes more than the Dana 44 is the shorter differential housing and smaller axle tubes. The 14-Bolt Axle For decades, GM built its rear axles in-house, so magazines like Diesel Power would give these rearends names like Corporate 10-bolt, Corporate 12-bolt, or Corporate 14-bolt. Included In Base Price: New Heavy-duty 12-bolt Housing For A-body Vehicles; Timken Master Bearing Kit And Solid Pinion Spacer; Currie Performance 33-Spline Axles With Timken Bearings. It has a film strength second to none. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. We have the largest selection of Chevrolet Nova Rear Axle Assembly parts at discount prices. Rear Axle Codes. 6 out of 5 stars 3. 625” pinion diameter, 1. It is the stamped identification number on a 12 bolt rear housing for a Chevy/GMC vehicle that measures 60. Might need narrowing. Chevy/GMC Dana 44 and 12 Bolt Rear End 4x4 6 lug 373 Gears Posi Pickup only Other square body parts available 1973-1991 480. Will need spring perchs welded on. These custom axle u-bolts can be shipped anywhere by UPS. GM flipped a coin on a lot of things it seems. Sierra Gear & Axle is a premium line of light-duty differential parts. If your swapping a GM A body rear end into a G body this kit allows you to correct the instant center in the car. Print Removal & Installation. The drive gear has 16 internal splines and a diameter of 1. The smaller 10 bolt became into what you need to get in case you ordered a six cylinder or small low perf. For all models with Positraction. 25 and Dana 60 rear ends, 12 bolts on the GM 12-bolt rear end and nine bolts on the GM 7. It wasn't until late 1972 that the 10 bolt 8. 5" GM Chevy 10-Bolt Mini Spool - 30 Spline Axle - Rearend. 00 Choose Options Chevy 12 Bolt Truck Powergrip 30 Spline Posi LSD 3-Series New Clutch type posi differential provides aggressive yet smooth traction, perfect for street and performance applications. Some pictures to help. Parts List. 12-Bolts to Glory The GM 12-bolt debuted in 1965 and was mass-produced until 1972. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. The new MOPAR Dana 60™ axles are bolt-in replacement upgrades for front and rear axles on the Jeep Wrangler JK. The later 12-bolt axles in Troopers should be wider, but I don't have numbers. Ford 9 inch is the way to go - Duration: 3:53. Narrowing a 12 bolt. Yukon 1541H alloy rear axle for GM 12P, '64-'67 Chevelle and '67-'69 Camaro. Like if you see 12 bolts on a Chevy rear (c-clip retained axles) it is a 12 bolt ring gear on the inside carrier. And some stamped. WE REBUILD TO YOUR SPEC'S. All Moser 12 Bolt Housings are designed and manufactured in the U. We specialize in EFI, Turbo and performance modification. 5 degrees, king pin bores resize to original bore size, sandblasted and magnafluxed to check for cracks. GM 12-bolt Similar to the GM 10-bolt. 1964-67 Chevelle rear ends were manufactured by the Chevrolet Gear and Axle Division and were the same width. FREE Shipping by Amazon. This rear disc brake conversion kit is for Chevy 10 or 12 bolt rear end with axle retainers and not the "C" clip style. Home Rear Ends. 5" 14 bolt semi float 6 lug will have the right mounts but you will need new u bolts and figure out how to get the driveshaft to work. More Old Online Chevy Info WebCounter says that you are visitor number: to this site. A Chevy 3/4 ton pick-up may have a 14 bolt semi-float rear axle or a 14 bolt full-floating axle. 75 (8 3/4) rear end LOADS FROM THE FRONT and IS THE ONLY REAR END THAT DOESN'T HAVE A REAR COVER. 12 bolt shafts fit other 12-bolts, and 10 bolt shafts fit other 10-bolts. We noticed that Moser equips virtually all of its new 12-bolt housingswith forged-steel, CNC-machined housing ends that retain the stock 10-and 12. Well I've always been one to feel that a limited slip rear is the best way to go and is a desireable option. If your swapping a GM A body rear end into a G body this kit allows you to correct the instant center in the car. For instance, the truck 12-bolt uses a smaller inner pinion-bearing (1. 625" axle tube end to axle tube end. Low buck if you have the skills to do it,8. General Motors has a wide range of front and rear ends! We carry everything from the 7. 1940-1957 Chevy Truck Front Axle Rubber Bumper. We strive every day to bring only the best in Chevy Trucks rear differential parts. If you are searching for reliable ring and pinion sets, axles, lockers, etc. This will help you pick the right size tires, transmission and gear ratio combination for your classic. When it comes to GM muscle cars and sports cars, the 12-bolt axle has been the top high-performance axle assembly for decades. GM Parts Giant delivers your GM parts professionally and promptly. Browse our selection of gm 8. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. Aluminum drive ends with the 2-bolt straight-across pattern use holes A & B. Differential Carrier Cases. The least expensive online catalog for all your 12 Bolt Posi Rear End needs. The Chevy’s rear axle code contains information on the vehicle’s gear ratio, date of manufacture and the rear axle assembly plant. Like if you see 12 bolts on a Chevy rear (c-clip retained axles) it is a 12 bolt ring gear on the inside carrier. GM 12 Bolt Truck - GM 12 Bolt Truck Quality & Customer Service Distributor Support Warranty Info About Yukon Calculators Product Sheets Y. 2L 5 Spd FWD MGFA / BGFA Integra 1986-89 L4 1.