Performer RPM Cylinder Heads - Single - Complete ED60999 Product:SB Chevy, 64cc combustion chambers with angled plugs, 185cc Intake po 535" Rod Journal: BB Chev

535" Rod Journal: BB Chev 2

168 Tooth Flywheel - External BalanceSuit Chevy V8 383 - 400

Heater kits are thermostatically controlled (except P/N 14169

Thousands of wins later

Dimension from block surface to hub: 5-13/16"

Performer RPM Cylinder Heads - Single - Complete ED60999 Product:SB Chevy, 64cc combustion chambers with angled plugs, 185cc Intake po 535" Rod Journal: BB ChevPerformer RPM Cylinder Heads Single CompleteSB Chevy, 64cc combustion chambers with angled plugs, 185cc Intake port ED60999 60999 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat of the pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. Designed for 302, 327, 350 and 400 cid small block Chevy engines up to 1986, these Performer RPM cylinder heads are