All Balls Racing 15-17 Arctic Cat ZR 4000 EFI Jack Shaft Bearing & Seal Kit Upper Shaft 2009-audi-a6-base-esi3533387 This kit is designed to

This kit is designed to maximize the performance of your race car suspension

Exhaust Valve: This cat-back exhaust system incorporates a factory style exhaust valve which use the factory exhaust valve motor (not included)

no tools required

The tailpipe diameter is larger than standard stock tailpipes

All Balls Racing 15-17 Arctic Cat ZR 4000 EFI Jack Shaft Bearing & Seal Kit Upper Shaft 2009-audi-a6-base-esi3533387 This kit is designed toAll Balls Racing Jack Shaft Kits contain chain case input bearing, support bearing, seals, O rings and necessary components needed to install this kit on your vehicle All Balls Racing Jack Shaft Kits contain chain case input bearing, support bearing, seals, O rings and necessary components needed to install this kit on your vehicle Seals are Type TC double lip seals with stainless steel garter springs