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Superior quality gasket sets from Athena S.P.ASteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating guarantees a perfect seal even at extremely high temperaturesHigh-temperature blue silicone beading...

Superior quality gasket sets from Athena S.P.ASteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating guarantees a perfect seal even at extremely high temperaturesHigh-temperature blue silicone beading...

Stainless steel valves are manufactured to exacting tolerances from the highest-grade material; coated for longevity and peak performance

Stage 1: single-cam motor. Stage 1 has improved power at all RPMs over OEM. Performs well with stock air box lid and exhaust. Uses stock valve springs and rockers. Uses stock auto-decompression mechanism.

Stage 1 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs

Stage 1 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Seal profile is engineered to create equal pressure in each seal lipequalized seal pressure creates less drag and longer seal lifePatented MAX-LIFE has a coefficient of friction up to 3 times less than the OEM seal materialTriple-lip seal...