AST Rollcages V3 Weld-In 10-Point Roll Cage for BMW E46 Coupe - FIA Fiat Here are the main materials

Here are the main materials used :ARP 8740 (Chromoly) : the material with the best quality for the Retail EUR inc VAT" offering excellent performances for the majority of “racing” applications

Shipping is fast - delivery times for 7Twenty wheels are 2 to 3 business days (valid for stock wheels only)

Shipping is fast 2-3 working days (valid for stock wheels only)

With significant widths and ET's they guarantee a flush tuned look

If you do not use the two inlets you can block one of the two with a 9/16""x18 bung sold separately

AST Rollcages V3 Weld-In 10-Point Roll Cage for BMW E46 Coupe - FIA Fiat Here are the main materialsAST 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