The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Add. Free shipping. Description. Viewing 2 of 16. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. It has bolt in axles. It is not a posi trac, but I want to install one. The only drawback to the Ford for GM guys is the bolt circle, but if you're going with a new front end, you can specify 5 on 4 1/2 up there too (assuming your . Moser does make axles for them. . Decoding the Tri-Five Chevy 55 56 57 Passenger Car VIN. As usual, you need to understand what you want your car to do. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. THE COwL TAG This aluminum plate is riveted to the cowl. It's a little confusing in the tech book because it has all AB and BB codes 55-58 as 3.55 (PG trans). and am running a 3.55 to 1 gear ratio.

Watsonville,CA,U.S.A. THE COwL TAG This aluminum plate is riveted to the cowl. 55-57 Chevy, Tri-5, Bel Air, Delray, 150, 210. The distance between the bottom center bolt in the cover and its adjacent bolts is 3 1/4 inches. I found one at a good price its a 10bolt 6 lug 3.73 gears open diff off a 88-98 chevy 4x4.

MP=4.57 MX=6.17 . Without an ID tag, your last ditch effort may involve getting up close and personal with your diff. Here is a 55-56 style case with a posi already installed. These rear axle assemblies can handle up to 400 hp. "A" being for manual transmission, would be 3.70 in 55/56 and 3.55 in 57. Meant to go on a 55 bel air. Although, hard to see, Chevrolet also had the vehicle identification number stamped on the frame roughly below the drivers seat. new drive shaft. I have a '57 Chevy rear end (housing,axles, etc. ) Most orders shipped same day! Part #8.2-EP Price Too low to print Assembled in Mexico New! Link bars eliminate wheel hop while the "coil over shocks" provide a superior suspension . This kit is for the original GM drop out style rear end. We have inspected the ring and pinion so as to ensure minimal ware and tare on the differentials that we sell. more details. The owner stated that it was not a Posi-filled rearend, and came with gears he believed to be around 3.08 or 3.23. Jump to Latest Follow 1 - 19 of 19 Posts . Differential Pinion Seal National 411330N (Fits: 1957 Chevrolet Truck) $24.09. Sold indivi dually. These babies are made for STD. 1955-57 Chevy VIN Decoder. SEE BELOW FOR A DESCRIPTION. Chevy Bel Air with GM 8.875" Series Axle 1957, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. $825.00. 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 8.5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End; How To Narrow a Ford 8.8 Inch Rearend; How To Rebuild a GM 10 Bolt Chevy 8.5″ Rear End Serial numbers: H 1/2 ton, J 3/4 ton, L 1 ton, etc.

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 . This is the old Chevy rear end where the third member comes out, like a. While it is a 12-bolt, it is from a truck. Includes: Rear axle flange gasket Rear axle seal Rear axle bearing - economy. We carry everything from the 7.25" IFS front end parts, to the large 11.5" rear end parts for 1-ton trucks. 2 required per vehicle. 57 rear end pulled off of a 4dr in Carson City many moons ago. 1928-40 Chevrolet Car or Pickup AxlesAxle measuments for these 3 axles.

With 15 X 7 wheels and 4.5" of backspacing, the 255-70 tires are a perfect fit. Currie ® 9-inch rearends for 1955 thru 1957 GM B-body vehicles provide a direct bolt-in solution for those looking to upgrade the rearend of their classic muscle car or restomod build. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. A stock 57 rear end is 60 mounting surface to mounting surface. 1955 chevy rear end identification. 134-wall mild steel tubing. After that, GM instituted the "Corporate" rear end, a 10-bolt rear end that integrated feartures of both the 10- and 12-bolt rear ends. Location: Main Index » Forum Index » 55-57 Central » 1955-1957 ( Modified / pro street / show) » 55-57 chevy rear axle decoder needed! We have a huge selection of high quality rust repair and auto body panels including rockers, cab corners, wheel arches, fenders, and more!

Speedway Ford 9 Inch Bolt-In Rear End Axle for 1955-57 Chevy Car $1,087.99 $1,199.99 (1) Ford 9 Inch, Rear Position, Semi-Floating Axle Type Ships Free On Sale Position: Rear Axle Type: Semi . THIS IS THE " BIBLE " FOR THE OLDS/PONTIAC 9.3″ REAR END !!! aam 195mm gm 195mm rear drive module - camaro. Assembly Plants. I been looking to swap out the stock rear end on my 57 pickup for a more modern rear end so i can drive my truck occasionally on the freeway, as of now its really slow and i doubt it goes over 50 mph. CHEVROLET DIVISION GENERAL MOTORS CORPORATION CORRESPONDENCE PERTAINING TO THE BODY MUST BEAR THESE NUMBERS A D B C E F G STYLE 56-1039D BODY N0 VN47569 . Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled "Service Parts Identification" inside the drivers door panel or glove box. not familiar with the effects of a posi - I know that this joker feels like it wants to try popping a wheely if . Chevrolet used its own 8.2-inch 10- and 12-bolt axles, while the other divisions used various other axle designs, including one 8.2-inch 10-bolt that saw use under certain Buicks, Oldsmobiles, and Pontiacs, which led to its shorthand moniker, the "B-O-P" 10-bolt. '57 chevy rear ends have a larger axle bearing than '55-'56 rear ends.

5.57 HJ6 Rear Axle 4.78 HJ7 Rear Axle 4.88 HK1 Rear Axle 2.87 HK3 Rear Axle 6.14 HK9 Rear Axle (10,000 Lbs.) This information will change as further information and corrections become available. Search for rear end width chart and you should be able to find a list of. Professional technical support is available . Copy Link to Clipboard. Can I purchase the posi trac or locker unit and replace the existing spider gears? Add to cart. Currie Crate Rearends are built using the stock overall width, pinion offest, and mounting points of your original rear axle housing, making it a 100% bolt-in upgrade. Description. We have a large selection of gear sets in stock and can recommend the correct . The rear axle ratio may be determined by finding the two- or three-letter serial number prefix in the following table. 1957 VIN - Model - Series Identification RPO = Regular Production Options Serial Numbers locations *ENGINE* *TRANSMISSION* V8 Numbers = Top of Right Hand Bank at the front. Premium replacement rear axle bearings for use on 1957 Chevrolet passenger models. Combined Cancer/Birth Defect. We recently saw this 12-bolt at a swap meet. 57 chevy rear end, new tires,new interior, new custom autosound radio. has now reintroduced a kick ass posi for your 8.2 rear. 1954 Chevy Truck. Looking at purchasing a Ford 9" Currie rear -end assembly. S. In 1963 this long lived engine was officially dropped from the GM production line and replaced by the all new Chevy 230 I6.

50-1/2"Kingpin to Kingpin 26-3/4"spring center to spring center 1-3/4" wide spring .734 dia. Front track or rear track. The 78-88 mid size GM cars use a 7.5″ 10 bolt, which is about 58/5″ wide. '57 chevy rear ends have a larger axle bearing than '55-'56 rear ends. Our experts will help you find the correct ring and pinion set for your particular application. If you have 27 inch tires on your truck and change to a taller 31 inch tire, you will have effectively changed your gearing by about the same amount, without actually having to tear anything apart. CHEVY CASTING NUMBERS. F=Flint H=Hydramatic K=Canada M=Mexico S=Saginaw T=Tonowanda V=Flint. Available for 1955-57 Chevy Belair, 210, 150, Nomad fullsize cars. kingpin 2-1/8 tall kingpin boss Max drop on these axles is 3" overstock $350 plus shipping to drop your axle May have cores in stock. $20,000. The tec where I'm going to buy at said 3.70 ratio would be a good cruiser. $1,945.00. Yukon Gear & Axle® Rear Differential Cross Pin Bolt. A real nice posi at an exceptional low price. The conversion that was done in this article is on a 57 center section which eventually is going into a customer's 52 Chevy with a 57 passenger car axle housing. It has the 4.75″ bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. 134-wall mild steel tubing. This 1955-1956-1957-1958-1959-1960-1961-1962-1963-1964 Chevrolet 4.11 rear end center section is an original used two-pinion type with cast arma-steel housing. aam 218mm gm 218mm rear drive module - camaro. All new 9-Plus heavy duty housing Replacement . Chassis 1955-57 Chevy John's Industries Ford 9" Complete Bolt-In Rear End Housing - Disc Brake (OS) (TF) Our Price: $13,999.95 57 Chevrolet rear end/differential - auto parts - by owner - vehicle. chevy truck rear end widths. 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 8.5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End; How To Narrow a Ford 8.8 Inch Rearend; How To Rebuild a GM 10 Bolt Chevy 8.5″ Rear End The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. Rear ends with measurement designations are named after the diameter of the ring gear, i.e. C. CenCal53 OP. Yukon Dura Grip Limited Slip Positraction Unit for GM 8.5"/8.6" Differential with 30 Spline Axle, 2.73-And-Up Ratio, YDGGM8.5-3-30-1 4.6 out of 5 stars 859 37 offers from $300.39 05-23-11 03:15 PM - Post# 2094047 hey fellas i have a rear end from what i believe is a 57 chevy pass .the id number for it looks like it says 8725888. would like a little info about it if i can. 1955-57 Chevy Rear Disc Brake Conversion Kit. rear axle and where the VIN Number is stamped on the frame. Rear axle identification (chevrolet axles. The 1964 serial numbers are found on the bottom of the carrier. A stock 57 rear end is 60 mounting surface to mounting surface.