Why is it called a 12 bolt rear end?
Why is it called a 12 bolt rear end?
In actuality, the term 12-bolt is due to the 12 bolts holding the ring gear to the differential. The coil spring mounts and the mounts for the upper trailing arms on the differential identify this as a Chevelle or Monte Carlo rearend, not one from a full-size car like an Impala.
Are 12 bolt rear ends strong?
When the 12-bolt rearend is properly assembled, it’s the strongest passenger-vehicle rearend Chevy ever produced. GM engineers designed the 12-bolt to be a durable piece that could handle the torque output of its big displacement engines.
How big is the 12 bolt rear axle?
Known alternatively as the GM 8.875-inch (referring to its ring gear diameter), Chevrolet’s 12-bolt rear end is one of the most celebrated in the American hot-rodding scene.
How to build a 12 bolt rear end package?
1982-02 GM F-Body Sway Bar Mounts (30″ on center) (Add $60.00) 1964-72 GM A-Body Adjustable Lower Control Arm Mounts (Add $35.00) Complete 12 Bolt Built to Order Rear End Packages.
How did the GM 12 bolt rearend get its name?
Although not technically how it got its descriptive name, the easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover in place. In actuality, the term 12-bolt is due to the 12 bolts holding the ring gear to the differential.
Where are Moser 12 bolt rear ends made?
Complete 12 Bolt Built to Order Rear End Packages. All Moser 12 Bolt Housings are designed and manufactured in the U.S.A. using Moser Engineering owned Casting Boxes.
How big is a 12 bolt rearend on a truck?
For instance, the truck 12-bolt uses a smaller inner pinion-bearing (1.438 inches versus 1.675 inches). We recently saw this 12-bolt at a swap meet. While it is a 12-bolt, it is from a truck. 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. Would you pay $400?
What kind of car has a 12 bolt rear axle?
The Chevrolet 12-bolt rear axle is a prolific piece. It turns up in countless Camaros, Chevelles, Novas and full size Chevys. 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).
Although not technically how it got its descriptive name, the easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover in place. In actuality, the term 12-bolt is due to the 12 bolts holding the ring gear to the differential.
Complete 12 Bolt Built to Order Rear End Packages. All Moser 12 Bolt Housings are designed and manufactured in the U.S.A. using Moser Engineering owned Casting Boxes.
