The Speedmaster PCE291.1077 is a 7.000-inch harmonic damper balancer designed for Chevrolet Big Block 396 and 427 engines with internal balance. Built to SFI 18.1 specifications, this balancer meets sanctioning body requirements for competitive racing applications, providing the reliability and safety standards demanded on the track.
Engineered as a direct-fit solution for BBC 396 and 427 internally balanced setups, this Speedmaster harmonic damper helps reduce harmful crankshaft torsional vibrations that can lead to premature engine wear. Whether you're building a race engine or a high-performance street machine, the SFI 18.1 certification and precise internal balance matching make this a trusted choice for your Big Block Chevy build.
MPNPCE291.1077
UPC840136534921
