Edelbrock Cylinder Head Performance RPM Hydraulic Roller Camshaft GM GEN V LT1

The valve position of the Edelbrock Performance RPM Cylinder Head 77119 with Hydraulic Roller Camshafts accommodates interlocking valve seat rings and larger valves found in your GM GEN V LT1 engine. Edelbrock Performer RPM series cylinder heads retain stock rocker arm, intake and exhaust ports, and spark plug location, with CNC-machined replacements.

Features and Benefits:
- CNC Machined Chambers and Valve Seats
- High Flow Intake and Exhaust Ports
- Accommodates Interlocking Valve Seat Rings
- 356 Aluminum Cast w/ Heat-Treated T-6 Specs
- Hydraulic Roller Camshafts for Greater Airflow
- Retains Stock Rocker Arm, Ports and Plug Locations

Designed with a thicker deck, the street-performance cylinder head is more durable than stock to handle a higher flow intake. This improved airflow will also increase the efficiency of your GM engine.

Specifications:
- Combustion Chamber Volume: 60.0 cc
- Deck Height: 9.240"
- Deck Thickness: 0.750
- Exhaust Valve Diameter: 1.600"
- Intake Runner Volume: 305.0 cc
- Push Rod Diameter: 0.375 in
- Valve Spring Diameter: 1.320 in
- Valve Spring Maximum Lift: 0.650"
- Valve Stem Diameter: 0.313"

Please Note: Edelbrock's Cylinder Head must be matched with Edelbrock head gasket sets. The recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with a flat gasket seat.