Headers for LS In 73-77 A-Body 1.875in Uncoated - 45817 Timing Controller - Digital Multi-Retard

Timing Controller - Digital Multi-Retard - 4 Stage Retard Control - Start Retard - Up to 20 Degrees Retard - MSD 6 / 7 / 8 / 10-Series Ignitions - Each

Intake Manifold - Performer RPM LS1 - Square Bore - Dual Plane - Cathedral Port - Aluminum - Natural - GM LS-Series - Each

5 in ID - 16 in Length - 100 lb/in Spring Rate - Steel - Silver Powder Coat - Each

593 in Stud - 1/2-20 in Thread - Hardware Included - Each

Headers for LS In 73-77 A-Body 1.875in Uncoated - 45817 Timing Controller - Digital Multi-RetardHeaders Full 1. 875 in Primary 3 in Collector Gaskets Hardware Included Stainless Natural GM LS Series GM A Body 1973 77 Pair