AIR FLOW RESEARCH

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

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

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 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

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

Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32

Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each

Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each

Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each

Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8

Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each