EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series HYPLLRG11M61FIA The screen windage tray delivers

The screen windage tray delivers oil control and horsepower savings

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

1/2" deep oil collection trough which aids in oil scavenging

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

EngineQuest Assembled Cylinder Head - 2.165 in/1.590" Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series HYPLLRG11M61FIA The screen windage tray deliversEngine 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