Cylinder Heads, Edelbrock, Performer, 454-O, BB Chevy, Oval Port

Chevrolet Big Block Performer 100cc Cylinder Head by Edelbrock®

Aluminum Performer head uses a 100cc chamber for Chevrolet Big Block performance combinations.

Edelbrock® Performer #60499 aluminum oval-port cylinder head is designed for Chevrolet Big Block street-performance combinations from idle through approximately 5,500 rpm. The 100cc semi-open chamber uses a 1.5-degree rolled-over design to improve intake-port alignment while reducing chamber volume without excessive valve shrouding. The head uses 290cc intake runners and is sold individually.

Additional Technical Specifications • Material Aluminum • CNC Ported No • Combustion Chamber Volume 100 cc • Intake Runner Volume 290 cc • Deck Thickness 0.5625 in • Intake Valve Diameter 2.19 in • Exhaust Valve Diameter 1.88 in • Valve Seat Angle Int/Exh 45/45 degree • Guide Plates Included Yes • Guide Plate Material Hardened Steel • Push Rod Diameter (Suggested) 0.4375 in • Rocker Stud Diameter 0.4375 in • Valve Angle 26 deg • Valve Spring Diameter 1.50 in • Valve Spring Maximum Lift 0.700 in • Valve Stem Diameter 0.3438 in