AST Rollcages V3 Weld-In 8-Point Roll Cage for Porsche 944 - FIA VN510 Draft They are made up of

They are made up of E355 steel main tubes with a diameter of 45 mm and secondary tubes with a diameter of 40 mm

It is made of high quality stainless steel and has a 1/8" NPT thread (4 and 5 mm Dash adapters supplied see photo)

Aisin Water Pump for Subaru EJ20 / EJ25 Engines Specifications Founded in 1965 the Japanese company Aisin specializes in the development and production of automotive parts

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

AST Rollcages V3 Weld-In 8-Point Roll Cage for Porsche 944 - FIA VN510 Draft They are made up ofAST 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