As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast. This casting process creates a much more uniform and robust cylinder head. If you are looking to build a 400-500+hp engine, give our PCE281.1489 heads a try.
Speedmaster® Chevy BBC 454 8" Aluminum Magnetic Crank Trigger Kit
Speedmaster® Chevy BBC 454 360cc 115cc Hydraulic Roller Assembled Cylinder Heads
Speedmaster® Chevy BBC 454 502 Complete 6-71 Roots Supercharger Blower Kit
SALE Speedmaster 1-147-016 Oval Port Lowrise Intake Manifold For Chevy BBC 454
Speedmaster 1-147-016 Oval Port Lowrise Satin Intake Manifold For Chevy BBC 454
Chevy BBC 454 Cast Steel Crankshaft ST-4.250 M-BBC RJ-2.2 RMS-2Pc Bal-Ext
