BMW S58 Pro-Xtreme Valve & Valve Spring Kit E92 Engineered with a 135mm rod

Engineered with a 135mm rod length

suitable for high-performance turbo/drag racing or street/strip applications

Toe in/out: If Ackermann is 0 or negative then toe is 2mm out

Wagner Tuning Burnished Head Stud Kit

BMW S58 Pro-Xtreme Valve & Valve Spring Kit E92 Engineered with a 135mm rodSimplify your next S58 engine build with this all in one Competition Valve & Spring Kit, now available from 5150 AutoSport. Featuring Ferrea's single groove stainless steel valves and a complete high performance valve spring kit, this package eliminates the guessworkgiving engine builders a reliable, track proven solution in a single click. Built for Power. Engineered for RPM. This kit includes standard size Ferrea Competition Plus intake and exhaust