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

The screen windage tray delivers oil control and horsepower savings

Prevent overtightening and consistently set bearing pre-load while reducing bearing drag

** THROTTLE BODY RECOMMENDATIONS: Edelbrock #38783 with progressive linkage #7094

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