Product Overview Dart 11030153 Cylinder Head - Pro1 LS 15 Degree - Assembled - 2.165 / 1.600 in Valve - 280 cc Intake - 68 cc Chamber - 1.295 in Springs - Aluminum - GM LS-Series - Each
Manley Performance Manley Performance 11683-8 Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8)
