AST Rollcages V1 Removable Bolt-In Rear Roll Cage for Porsche 911 964 Style46 5-inch V-band clamp on the

5-inch V-band clamp on the outlet side for ease of installation and has a second O2 sensor mount for users who want to use a wide band sensor without having to weld bits on

Each gear is designed to be mounted in place of the OEM one

AST Roll Cages SpecificationsAttention : AST roll cages designed and built according to FIA Appendix J may not be approved depending on the year of preparation of your car

ACL Race Rod Bearings Mitsubishi 4G63 4G64 (83-92)Designed to withstand high RPM temperatures and load these high strength bearings are manufactured by ACL from 3 layers of hardened steel copper and nickel

AST Rollcages V1 Removable Bolt-In Rear Roll Cage for Porsche 911 964 Style46 5-inch V-band clamp on theAST Roll Cages SpecificationsAttention : AST roll cages designed and built according to FIA Appendix J may not be approved depending on the year of preparation of your car. Indeed the safety requirements are often revised in Appendix J by the FIA. Check with your Federation Sporting Organisation for the minimum safety requirements specific to your vehicle version engine and type of event and or championship to be contested. AST roll cages have 4 to 10