AST Rollcages V5 Weld-In 10-Point Roll Cage for BMW E46 Coupe - FIA Opel You can use your OEM

You can use your OEM hardware to mount them or choose among our wheel nuts and bolts offer

000 psi of tensile strength)

Yet you must also pick a valve with a pressure setting close enough to your normal operating pressure

3L (L3) Duratec

If you plan to wear a balaclava this should be taken into account when choosing the size

AST Rollcages V5 Weld-In 10-Point Roll Cage for BMW E46 Coupe - FIA Opel You can use your OEMAST 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