Rennline Tunable Mount Replacement Bushings – Fits Porsche 911, 964, 991, 993+ carbon-fiber Large Width (430-460mm seats) fits

Large Width (430-460mm seats) fits many popular seats

This means the aluminum Plenum actually spreads the energy it's exposed to 656 times faster than the plastic and can store more than 550 times the amount of energy per unit mass

it provides a clear view and reduces glare by X%

The Sparco Evo XL returns with Sparco's patented QRT Ultra-Light Technology that offers an industry unmatched strength-to-weight ratio for fiberglass composite seats

Rennline Tunable Mount Replacement Bushings – Fits Porsche 911, 964, 991, 993+ carbon-fiber Large Width (430-460mm seats) fitsProduct Details Keep your Rennline Tunable Engine or Transmission Mount performing at its best with a fresh set of replacement polyurethane bushings. Available in three durometer ratings, these bushings let you tune your mount's characteristics to match the way you drive, from a street comfortable 65A to a race focused 85A. Replacing worn bushings restores the mount's ability to reduce engine movement, improving acceleration response, handling, and