EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series 91619079 2A / 5 Rated

2A / 5 Rated

FIA standard 8858-2010 only approves helmets with the nut washer built into the helmet

(to find your vehicle

Red powder-coated finish

EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series 91619079 2A / 5 RatedEngine Cylinder Head Thicker decks for greater strength Superior port finish for increased flow Improved flow design to resist crackingSince 1949, the Enginequest family has helped the engine rebuilders solve their production problems. Product Description: Cylinder Head Assembled 2. 165 in 1. 590 in Valves 258 cc Intake 69 cc Chamber Aluminum GM LS Series Sold Individually