AIR FLOW RESEARCH

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

Exhaust Valve - 1.570 in Head - 8 mm Valve Stem - 5.030 in Long - Stainless - Small Block Ford - Set of 8

Exhaust Valve - LS1 - 1.600 in Head - 8 mm Stem - 4.907 in Long - Stainless - GM LS-Series - Each

Intake Valve - LSx - 2.080 in Head - 8 mm Stem - 4.900 in Long - Stainless - GM LS-Series - Each

Intake Valve - LSx - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - GM LS-Series - Each

Intake Valve - Street Valves - 2.020 in Head - 11/32 in Valve Stem - Stock Length - Stainless - Small Block Chevy - Each

Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each

Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each

Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16

Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each

Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each

Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each