AFR’s 245cc “Competition” heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. NPP stands for “no pushrod pinch”, and this is AFR’s largest 60/40 valve spacing head. These heads require shaft mount rocker arms for all applications and has extra machining for 3/8” pushrod clearance. AFR heads are available bare (without parts), call our tech line for details.
