Designed around a Team Z K-Member. Others have not been test fitted to date.Will not work with QA1 K-MemberDesigned for use with angle or straght plug heads.Stock lower control arms may need to be replaced with tubular arms. (Clearance is tight)Designed to be used with factory starter.Designed to be used with factory steering shaft. The knuckle on the aftermarket shafts will usually hit a tube.Designed to be used with the following transmissions:4L60, 4L60E, 4L80, 4L80E, 700R4, TH350, TH400 & PowerGlide.Must use Fabricated Trans crossmember.Fits around factory master cylinder, brake booster and proportioning valve.O2 bung not installed