Description
Manley Severe Duty Exhaust Valve 1.600 in Head 0.342 in Valve Stem 5.036 in Long Small Block Chevy MT ANT TOY 6B 0 Custom Valve Tuned Controlled WEI7155 0 Custom Valve Tuned Controlled Resistance Performance this is an excellent improvement for your street or drag application These partnerships defined an era and fueled our drive to push the limits of automotive excellence We’ve also made our mark as an OEM supplier