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Replace your flimsy factory torque arm with a durable Spohn tubular version and put the power where it belongs - the pavement! Built from 1.25" x .120" tubing with a heavy-duty 3/8" rear mounting bracket. Bolts directly in place of factory torque arm using all factory mounting locations. Requires no welding or drilling. Equipped with an adjuster for changing pinion angle and a new, low deflection polyurethane front bushing.
If you want serious performance, handling, and traction when you're at the dragstrip, AutoX, or road racing; then you need a Spohn Performance fully adjustable torque arm, here's what it will do:
Attaches to the rear axle and controls rear end torque during acceleration, transferring this energy into the tires, increasing straight line traction
Reduces nose-dive during braking
Eliminates wheelhop
Increases sidebite during corner exit acceleration
Bolt-on system does not require complete interior removal as with other kits
No fabrication, welding or drilling required - 100% bolt-in installation!
Provides adjustable pinion angle
FREE angle finder included to set pinion angle
Build Specifications:
Constructed of 1.25" o.d. x .120" wall DOM (drawn over mandrel) seamless mild steel tubing
Front "stub" of torque arm is reinforced by TIG welding a piece of 1" solid 4140 chrome moly into the i.d. of the front snub. This is the strongest transmission mounted torque arm on the market = bullet-proof!
TIG welded 4130 chrome moly threaded tube adapters
Heavy-duty 3/8" thick steel rear housing mounting plates
Polyurethane bushing front mount for minimal road noise
Front torque arm polyurethane bushing mount allows for fore and aft travel, as well as free rotational travel for bind-free performance
Rear of torque arm mounts to the 3/8" thick steel rear housing mounting plates via two 3/4"-16 NFT x 5/8" bore x 7/8" thick solid steel rod ends. These are solid rod ends, not spherical bearing rod ends, so noise is of no concern. Grade 8 - 5/8" bolts and 5/8" nylock nuts are used.
Integral Pinion Angle Adjuster between the bottom rear solid rod end and the bottom rear torque arm tube allows for easy pinion angle adjustment. A simple turn of the wrench will give you 6 degrees of pinion angle adjustment, it's that simple.
Entire package is a complete bolt-in assembly using existing mounting points on the vehicle. No drilling or welding is required!
This is a proven product being run on some of the fastest F-Bodies in the country!
Rear mounting bracket is designed to fit on the OEM rear or an aftermarket 12 bolt or Ford 9" rear
Available powder coated red or black.
Note: NOTE: 1982-1992 cars require the use of a factory torque arm bushing clamshell mount designed for bushing type 7-1609. If your vehicle is equipped with a 7-1611 type bushing, you will need to get the 7-1609 type clamshell. (See above pictures) This does not apply to 1993-2002 cars.
4130N Upgrade: The ultimate in bullet-proof lightweight strength, 100% TIG welded chrome moly construction! Same as above, but torque arm is constructed entirely from 1.25" x .095" 4130N chrome moly tubing.
Note: Please allow an additional 7-10 business days for shipment of colors other than red or black.
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