1.570 C/6 Exhaust Valve GM LS 8mm 4.915 AOL Exhaust Valve - 6000 Series - 1.570 in Head - 0.313 in Stem Diameter - 4.915 in Long - Small Block Chevy - Set of 8

GM LS 1.600 C/6 Exhaust Valve 4.915 OAL Exhaust Valve - 6000 Series - 1.600 in Head - 0.313 in Valve Stem - 4.915 in Long - Stainless - GM LS-Series - Each

SBF 1.570 Exhaust Valve 8mm 5.030 OAL Exhaust Valve - 1.570 in Head - 8 mm Valve Stem - 5.030 in Long - Stainless - Small Block Ford - Each

GM LS C/P 1.600 Exhaust Valves Exhaust Valve - Competition Plus - 1.600 in Head - 0.313 in Valve Stem - 4.915 in Long - Stainless - GM LS-Series - Set of 8

GM LS 1.615 Exhaust Valves Exhaust Valve - Competition Plus - 1.615 in Head - 0.313 in Valve Stem - 5.227 in Long - Stainless - GM LS-Series - Set of 8

BBC C/6 1.880in Exhaust Valve Exhaust Valve - 6000 Series - 1.880 in Head - 3/8 in Valve Stem - 5.350 in Long - Stainless - Big Block Chevy - Each