AST Rollcages V1 Removable Bolt-In 6-Point Roll Cage for Mitsubishi Lancer Evo 4 (IV) Nissan#Datsun They are to be used

They are to be used at both ends of the Accusump so as to prevent any distortion of the tube

About ARPSince 1968 ARP have developed their own solutions to improve the reliability of racing engines

ACL Race Main Bearings Nissan VQ20 VQ25 VQ30Designed to withstand high RPM temperatures and load these high strength bearings are manufactured by ACL from 3 layers of hardened steel copper and nickel

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AST Rollcages V1 Removable Bolt-In 6-Point Roll Cage for Mitsubishi Lancer Evo 4 (IV) Nissan#Datsun They are to be usedAST 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