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Crate Engine World Headquarters
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Manley Severe Duty Valves
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Valves
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Manley Severe Duty Valves
These Manley Sever Duty valves are the absolute best valves made (except for exotics) and offer a comfortable margin of safety that is worth far more than the marginal increase in price over the Race Flo valves.
1.500" 11/32" SB Chevrolet Exhaust
1.940" 3/8" BB Chevrolet Exhaust
1.600" 11/32" SB Chevrolet Exhaust
2.020" 11/32" SB Chevrolet Intake
1.625" 11/32" SB Chevrolet Exhaust
2.055" 11/32" SB Chevrolet Intake
1.655" 11/32" SB Ford Exhaust
2.080" 11/32" SB Chevrolet Intake
1.710" 11/32" SB Ford Exhaust
2.100" 11/32" SB Chevrolet Intake
1.720" 3/8" BB Chevrolet Exhaust
2.125" 11/32" SB Chevrolet Intake
1.760" 11/32" BB Ford Intake
2.150" 11/32" SB Chevrolet Intake
1.800" 3/8" BB Chevrolet Exhaust
2.190" 11/32" BB Chevrolet Intake
1.880" 11/32" BB Chevrolet Exhaust
2.190" 3/8" BB Chevrolet Intake
1.880" 3/8" BB Chevrolet Exhaust
2.250" 11/32" BB Chevrolet Intake
1.900" 11/32" BB Chevrolet Exhaust
2.250" 3/8" BB Chevrolet Intake
1.900" 3/8" BB Chevrolet Exhaust
2.300" 11/32" BB Chevrolet Intake
1.940" 11/32" BB Chevrolet Exhaust
2.300" 3/8" BB Chevrolet Intake
1.940" 11/32" SB Chevrolet Intake