Manley Race-Flo Valve XH-426 Stainless Exhaust Material Chrome Stems Hardened Tips Fully Machined Swirl Polished Increased Flow with "Pro Flo" Underhead
Manley Race-Flo Valve NK-842 Stainless Intake Material Chrome Stems Hardened Tips Fully Machined Swirl Polished Increased Flow with "Pro Flo" Underhead