Description
The Edelbrock #60499 Performer for Big-Block Chevy Oval Port V8 applications is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is neededand provides outstanding performance from Idle-5,500 RPM’s.The 100cc semi-open chamber cylinder heads feature a 1-1/2 Deg rolled over (angle milled) design that improves intake port alignment and provides a smaller combustion chamber without shrouding the valves. They also feature the highest quality intake and exhaust valves and valve springs.This cylinder head is 50-state street legalMaterialAluminumCNC PortedNoCombustion Chamber Volume100 ccIntake Runner Volume290 ccDeck Thickness0.5625 inIntake Valve Diameter2.19 inExhaust Valve Diameter1.88 inValve Seat Angle Int/Exh45/45 degreeGuide Plates IncludedYesGuide Plate MaterialHardened SteelPush Rod Diameter(Suggested) 0.4375 inRocker Stud Diameter0.4375 inValve Angle26 degValve Spring Diameter1.50 inValve Spring Maximum Lift0.700 inValve Stem Diameter0.3438 in
