Valve Spring & Retainer Kit GM LS - Dual Spring 1985-pontiac-firebird-esi1337306 125 in Hex - 27

125 in Hex - 27 in Long - 3/4-16 in Female Thread - Aluminum - Black Anodized - Each

Stopwatch - Digital - 12 Lap Memory - Multi-Mode - Yellow - Each

532 in - Duration 282 / 288 - 110 LSA - 2200 / 5800 RPM - Big Block Ford - Each

Intake Manifold - LS3 Ultra Low-Ram - 105 mm Throttle Body Flange - Tunnel Ram - Front Entry - Dual Injector - Aluminum - Black Powder Coat - LS3 - GM LS-Series - Kit

Valve Spring & Retainer Kit GM LS - Dual Spring 1985-pontiac-firebird-esi1337306 125 in Hex - 27Valve Spring Kit Dual Spring 400 lb in Spring Rate 1. 070 in Coil Bind 1. 320 in OD Chromoly Retainer Viton Seal Steel Valve Lock Steel Seat GM LS Series Kit