64-72 GM A-Body 12-Bolt Rearend Builder

Currie 12-bolt Crate Rearends for 64-72 A-body vehicles are complete, ready to bolt-in assemblies, with a choice of popular differential types, gear ratios and brake options making it easy to customize the package to meet almost any need

Currie 12-bolt Crate Rearends are built to match the vehicles stock axle width, pinion offset, suspension mounting locations and wheel bolt pattern for a straightforward hassle-free installation

Check out Alternate Supercars article on Building a Bulletproof 12-Bolt

Included Standard Features

		12-Bolt Center - New nodular iron center section features cast in place upper control arm mounts, additional material in critical areas and thicker main caps with 1/2 inch carrier bolts for improved power handling and reliability
		Currie Johnny Joints - Installed in the upper control arm mounts reduce suspension deflection while freeing up axle articulation for smooth, predictable performance - without the noise, vibration and harness of heim joints
		Full Circumference Welds – Strong 3-inch diameter .250 wall axle tubes are full circumference welded to the housing center for improved rigidity and strength over the factory housing
		Timken Bearings - High-quality Timken bearings and performance seals are used throughout to provide a long trouble free service life
		Suspension Brackets - Model year correct coil spring pads and control arm mounts are installed in the OEM locations for a direct bolt-in fit
		Billet Housing Ends - Currie billet late model Ford Torino style large bearing housing ends improve axle retention and safety by eliminating the inadequate GM c-clip design
		Alloy Axles - Currie Performance 33-spline 1541 alloy axles with Timken tapered axle bearings, feature vehicle correct bolt pattern and wheel studs
		Bearing Retainers - Full-circle heavy-duty retainers assure positive bearing retention and full seal engagement for a long trouble and leak-free service life. *Select aftermarket brake kits require the use of proprietary bearing retainers
		Assembly - Every crate rearend is fully assembled in-house by our skilled professionals and shipped ready to install

Options To Complete The Build

		Gear Ratio – Select from a wide range of ratios. Currie uses only the highest quality Motive Gear Performance® series (Orange box) ring and pinion sets in our 9-inch crate rearends
		Differential - Select the differential type that meets your traction needs, including Detroit TrueTrac helical gear posi or steel spool
		Brake Package - Select from a range of brake options from classic 11-inch drums to 14-inch Baer and Wilwood disk brakes that are capable of meeting any performance requirement
		REM® Isotropic Polishing - Removes surface imperfections created during the gear manufacturing process. Polishing eliminates the need for a break-in period, decreases friction, reduces operating temps and removes stress risers. Polishing helps gears last longer and run quieter
		Powder Coat - Optional powder coat finish adds long-lasting protection against rust and corrosion, to keep your rearend looking its best

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NOTES:

Aftermarket Brakes - Currie crate rearends conform to the ABCS (Aftermarket Brake Configuration Standard). This allows brake kits that use this standard, to easily be changed or upgraded without having to modify the housing or axles. ABCS brakes use a 2.5-inch brake space with late-model big bearing Ford housing ends, and a 2.80 center hole in the drum or rotor

Wheel Studs - Currie crate rearends use a standardized-shank Currie Enterprises wheel studs that allow the following wheel studs to be interchangeable in the axles, without drilling: 12mm, 7/16, 1/2, and 1/2 x 3-inch competition