EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series HYPLLRG11M61FIA 024" oil metering port machined

024" oil metering port machined into the face to improve durability with no significant oil pressure loss

FM F-Body 1967-69 / X-Body 1968-74

Edge has been known for the power its modules and programmers produce

Crash- Resistant

EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series HYPLLRG11M61FIA 024" oil metering port machinedEngine 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