CHEV 396 454 BIG BLOCK HARMONIC BALANCER # PB1211-ST Rate_20 PIONEER FLEXPLATE BOLTS SUIT GM
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CHEV 396 454 BIG BLOCK HARMONIC BALANCER # PB1211 ST Rate_20 PIONEER FLEXPLATE BOLTS SUIT GM PIONEER FLEXPLATE BOLTS SUIT GM CHEV EARLY STYLE FORD WINDOSR # 859022 This engine features a 4 inch bore which mathematically yields a 377ci with a 3