GM LS1 Performer RPM Manifold GM LS1 Performer RPM Manifold:GM LS1 Performer RPM Manifold Main Bolt Kit - High

Main Bolt Kit - High Performance Series - Hex Head - 4-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy - Kit

Intake Manifold - Victor JR

Air Induction System - Magnum FORCE Stage 2 - Reusable Oiled Filter - Aluminum - Black Powder Coat - Ford EcoBoost V6 - Ford Fullsize Truck 2012-14 - Kit

Bolt - 3/8-16 in Thread - 3 in Long - 3/8 in Hex Head - Stainless - Polished - Universal - Set of 5

000 in Long - 7/16 in 12 Point Head - Stainless - Polished - Universal - Set of 5

GM LS1 Performer RPM Manifold GM LS1 Performer RPM Manifold:GM LS1 Performer RPM Manifold Main Bolt Kit - HighIntake Manifold Performer RPM LS1 Square Bore Dual Plane Aluminum Natural GM LS Series Each