DART

Cylinder Head - Pro 1 LS1 - Assembled - 2.050 / 1.600 in Valves - 225 cc Intake - 62 cc Chamber - 1.290 in Beehive Springs - 6 Bolt Casting - Aluminum - GM LS-Series - Each

Cylinder Head - Pro 1 LS1 - Bare - 2.050 / 1.600 in Valves - 225 cc Intake - 62 cc Chamber - 6 Bolt Casting - Aluminum - GM LS-Series - Each

Cylinder Head - Iron Eagle S/S - Bare - 1.940 / 1.500 in Valves - 165 cc Intake - 67 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head - Iron Eagle S/S - Bare - 1.940 / 1.500 in Valves - 165 cc Intake - 67 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head - Iron Eagle S/S - Bare - 1.940 / 1.500 in Valves - 165 cc Intake - 76 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head - Iron Eagle S/S - Bare - 2.020 / 1.600 in Valves - 165 cc Intake - 76 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head - Iron Eagle S/S - Bare - 2.020 / 1.600 in Valves - 165 cc Intake - 67 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head - Iron Eagle S/S - Bare - 1.940 / 1.500 in Valves - 165 cc Intake - 72 cc Chamber - Straight Plug - Iron - Small Block Chevy - Each

Cylinder Head Bolt Sleeve - 0.500 in OD - 2.800 in Long - Brass - Natural - Each

Crankshaft - 4.000 in Stroke - Internal Balance - Short Snout - Billet Steel - 1-Piece Seal - GM LS-Series - Each

Crankshaft - 3.622 in Stroke - Internal Balance - Billet Steel - 1-Piece Seal - GM LS-Series - Each

Exhaust Valve - 1.600 in Head - 8 mm Valve Stem - 4.940 in Long - Stainless - Small Block Chevy - Each