Intake Valve (Black Nitride w/ Anti Friction Coating / 37.5mm 1mm Over) These valves are 1MM larger than stock, great for ported heads that need more flow through the valves. These stainless steel valves are lighter than the stock steel valves and...

Exhaust Valve (Black Nitride w/ Anti Friction Coating / 30.5mm - 1mm Over) These valves are 1MM larger than stock, great for ported heads that need more flow through the valves. These Black Nitride valves are lighter than the stock steel valves and...

+1MM Exhaust Valve (Inconel / 32.50MM) These valves are 1MM larger than stock (stock valves are 31.50MM), and great for ported street heads. These Inconel valves are lighter than the stock steel valves and are extremely heat resistant; These are a...

Exhaust Valve (Street / Stock Size) These stainless steel valves are given a special anti-friction coating to promote better airflow and minimize resistance in the valve guide. High performance (21-4N) high-grade steel with a Black Nitride coating for...

Intake Valve (Street / Stock Size) These stainless steel valves are given a special anti-friction coating to promote better airflow and minimize resistance in the valve guide. High performance (21-4N) high-grade steel with a Black Nitride coating for...

+1MM Intake Valve (Nitride / 38.50MM) These valves are 1MM larger than stock, great for ported street heads that don't need the huge oversized valves. The black nitride valves are stainless steel valves with a multi-stage heat treatment and stress...