12 Bolt Rear End

GM 12-Bolt Rear End

Whether you prefer street or strip, building horsepower for your GM F-Body platform can only get you so far in drag racing. Eventually, you’re going to have to get all those ponies to the pavement. That’s where the Strange Engineering Chevy 12-bolt heavy-duty drag race rear differential comes into play.

By integrating expertly welded F-Body mounts for the chassis and torque arm, the Strange 12-bolt rear end provides a heavy-duty alternative to the weaker 10-bolt units found in most F-Body cars and light-duty trucks. This durable Chevy 12-bolt rear end may also be purchased with no mounts or with leaf spring mounts to fit other high-performance applications.

Strange utilizes cutting-edge Mazak machinery and the best people in the industry to maintain consistent quality and durability in all their rear ends and rear end parts. It speaks volumes about Strange drag racing rear ends when you consider that they are trusted to deliver differentials for all NHRA classes – including Funny Car and 8,000 horsepower Top Fuel Dragsters. Each Strange 12-bolt rear-end bears the set-up technician’s signature and date of build on the edge of the ring gear.

The Strange GM 12-bolt rear end is available in any state of completion from a bare housing to a fully built differential (for certain popular applications). Race Axles (33 or 35-spline) and axle tubes may be ordered in factory length or custom made to accommodate your wheel and tire setup. Axle tube ends are also available in various designs to meet your requirements. Wheel studs are offered in your choice of .500-inch or .625-inch diameter and numerous bolt circle configurations. Gear sets and axles may be selected in standard or Pro Race and complete Strange 12 bolt rear ends come with a chromed steel cover (aluminum cover available), S-Series pinion yoke, and pinion yoke u-bolt set. Strange Engineering rear disc brake packages are sold separately.

Once you have given the skilled team at Strange Engineering your 12 bolt rear end specifications, it is precision welded to provide a durable high-performance rear end that also looks like a million bucks. Every Strange rear end may be purchased with a protective powder coating in Satin Black.

The Strange Engineering team of skilled rear differential engineers are here to help you (if needed) determine the best gear ratio to get you out of the hole quick and through the trap at top speed. Once you have selected a gear ratio, a new bearing set is installed, the pinion gear is set in the housing and the carrier (with the ring gear) is setup. Preload is secured, the axle bearings, axle seals, and axles are expertly installed.

Each Strange 12-bolt high-performance rear end is carefully crated to ensure it arrives safely at your location; looking great and ready to install in your drag race vehicle.

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