Damaged heads.. fixable or even worth fixing?




Unless these have bronze guides in them, then maybe not, if you are using stock rockers. I prefer the GM guides.
Unless these have bronze guides in them, then maybe not, if you are using stock rockers. I prefer the GM guides.
•Combustion Chamber: 64cc
•Intake Runner: 227cc
•Exhaust Runner: 70cc
•Intake Valve: 2.02"
•Exhaust Valve:160"
•Max. Valve Spring Lift: 0.650"
•Spring Pressure Closed: 135 lbs. @ 1.800"
•Spring Pressure Open: 375 lbs. @ 1.090"
•Retainer Material: Titanium
•Valve Seal Material: Viton
•Valve Guide Material: Manganese Bronze
•5 Axis CNC Ported - Polished Heads





