b3ne

These flywheel are lighten and balance for fast rev's, the flywheels are perfect upgrade if you are on a budget. One flywheel is for b-series motor and weighs 11lbs, the next four is all d-series flywheel and weighs 11lbs also. The flywheels just needs to be clean of and you are fine.
B-series $70
D-series $50
Jdm dohc zc stock header its a 4-2-1 bolts on to any d-series motor, flows way better than your stock system. $60
Crower D16Z/Y valve spring and titanium retainer kit $160