The 4v head is the cream of the crop! Max out the potential of your engine with this bad boy! More air in, more air out = MORE PERFORMANCE :-). We have this head available for the GY6 “A” with the 54mm stud spacing (to be used with a 63mm bore) or the GY6 “B” with the 57mm stud spacing (to be used with a 67mm bore).
Kit Includes:
24mm Intake/ 22mm Exhaust Valve
4 Valve Camshaft
4 Valve Rocker Arm
4 Valve Cover
Timing Chain for +8.2 Stroker Crankshaft
Head Stud for +8.2 Stroker Crankshaft
PLEASE NOTE:
This head will require the cases to be split to install the timing chain.
