Performer RPM 454 Rectangle Port Cylinder Heads - Single - Complete ED60559 Product:BB Chevy, 118cc chambers, great torque and horsepower up to 6500 rpm AF66-2042S

AF66-2042S

AR207-4201

50" Throttle Rod

Replacement O-ring and bolts - AF59-2034

Performer RPM 454 Rectangle Port Cylinder Heads - Single - Complete ED60559 Product:BB Chevy, 118cc chambers, great torque and horsepower up to 6500 rpm AF66-2042SPerformer RPM 454 Rectangle Port Cylinder Heads Single CompleteBB Chevy, 118cc chambers, great torque and horsepower up to 6500 rpm ED60559 60559 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 street high performance big blocks operating from 2500 7000 rpm. Specially designed ports