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KB 99 - 04 Cobra Aluminum IRS Differential Bushing Kit by Kenny Brown
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1 5806
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100% of reviewers None indicated 6.0


Description: Kenny’s new Aluminum Differential Bushing Kit is a needed addition to any new Cobra, especially if the suspension and chassis has been upgraded to handle more power or for serious racing applications. The aluminum bushing kit offers a dramatic reduction in wheel-hop under hard acceleration by eliminating the deflection that rubber bushings normally present. In addition, the zero-deflection aluminum bushing offers dramatically improved grip on corner exit or under hard launches at the drag strip. As an added value, the aluminum acts as a heat-soak to absorb heat generated by the rear differential. The kit also has a series of shims which are built-in to the design, but can be removed one at a time allowing you to adjust the pinion angle to compensate for lowering the vehicle or to fine tune the drivetrain and eliminate unwanted vibrations.

For more information visit their website at: Kenny Brown
GT Member
Posts: 2,474
Registered: February 2002
Location: St. John's



Registered: August 2003
Posts: 44
Review Date: 10/20/2004 Would you recommend the product? Yes | Price you paid?: None indicated | Rating: 6 

Pros: Lessens wheel hop
Cons: overly rigid, more vibration transferred

I had the poly bushings, then upgraded to the aluminum, some difference was felt, but maybe mental. some more vibration transferred than poly but not too bad. My opinion is that they must be hard on the ears of the Diff....would not be suprised if there was a breakage in the making...but thats racing.

03 Cobra Sonic Blue Coupe #2053
Bassani Mid Length Headers/ Xpipe, Borla Cat-back, Kenne Bell cold air intake, Steeda Tri-Ax Shifter, Auto Meter Lunar gauges, Fluidyne Heat exchanger, Metco Pullies, Kenny Brown Extreme Matrix and Crossbrace/Alum. Bushings, Centerforce Dual Friction w/ 26 spline input shaft, Kenne Bell 19psi, Diablo Delta Chip
275/40/17 Goodyear Gs III front
315/35/17 Goodyear Gs III rear on 17x 10.5
Best Run: 12.06 122mph
Best Mod: footprint gas pedal
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