Edelbrock RPM Heads



Fits Gen V LT1


Edelbrock part #77119 Complete Performer RPM cylinder heads are ideal for street engines and are engineered to be a great high-performance upgrade for stock GM Gen V LT1 engines.

The Edelbrock part #77119 LT1 (Gen V) Performance RPM cylinder head is ideal for street engines and are engineered to be a great high-performance upgrade for stock GM Gen V LT1 engines. It has been designed with a thicker deck and more material in the intake, exhaust and port walls for improved strength and durability. This cylinder head features CNC machined chambers as well as CNC blended valve seats, intake and exhaust ports for consistency. They have been designed with high flow intake, exhaust ports and back cut intake valves for improved air flow. The valve position has also been revised to accommodate interlocking valve seat rings and larger valves. The Performer RPM retains the stock rocker arm, intake/exhaust ports and spark plug location for use with factory components. Like all the other cylinder head, this has been designed, tested and cast from 356 aluminum and heat treated to T-6 specs in our facilities in Southern California to guarantee you get the best from a name you can trust. – Combustion chamber volume: 58cc – Intake runner volume: 305cc – Exhaust runner volume: 115cc – Intake valve diameter: 2.165″ – Exhaust valve diameter: 1.600″

Series Performer RPM
Grade Type Performance
Quantity Sold Individually
Camshaft Type Hydraulic Roller
Horsepower 600+ HP
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
  • Match with Edelbrock head gasket sets. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4″ reach with flat gasket seat.
CNC Ported Yes
Combustion Chamber Volume 61 cc
Deck Height 9.240 in
Deck Thickness 0.7500 in
Intake Valve Diameter 2.165 in
Exhaust Valve Diameter 1.60 in
Guide Plates Included No
Intake Runner Volume 305 cc
Material Aluminum
Push Rod Diameter 0.375 in
Valve Angle Exhaust 11.8 X 1 deg/Intake 12 x 4 deg
Valve Spring Diameter 1.32 in
Valve Spring Maximum Lift 0.650 in
Valve Stem Diameter 0.314961 in

Additional information

Weight 25 lbs
Dimensions 22 × 10 × 8 in