AAS G5
Full Access Member
Clearimage Automotive= exhaust & headers and Tirfecta tunes
not any that dont have to be shaved first
zzp makes valve springs for us as well now. 78lb ones that use the stock spring seat and can use the stock retainers (diff lift with their retainer)
piston rods go at approx 250how much power can an L61 take before the internals need upgraded?