Looking to do your own thing? Order it BARE NO CHAMBER - without combustion chamber or valve locations to build your perfect head.
Are you looking to install your own seats and guides? Order it BARE - just choose your plug size. You can install your seats and guides and machine it your way.
Looking for PPM Performance? Order it COMPLETE - this comes with Stainless Valves - seats - guides - springs - keepers and Ti retainers installed ready to bolt on.
1.250 Intake Valve - 1.125 Exhaust Valve
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Check back often for clearance items ranging from PPM BILLET ENGINE TRADE-INS to discontinued product