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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
These engines heads have a long
Each kit includes two split clamps
Thunder Series
1970-1980 Pontiac Firebird
PowerBond Race Harmonic Balancer - GM LS1 Serpentine - Internal Balance M61HAK These engines heads have aThe POWERBOND RACE series brings the advantages of bonded balancers to high revving race and street race applications where an SFI approval is required. Every POWERBOND RACE series balancer features a precision CNC machined AUS 1045 steel centre bonded to an equally strong steel inertia ring. Advanced design means that race series balancers are very light for an all steel product. An most cases they are only marginally heavier than the original cast
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