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Vehicle Info NeededPROFORMPART NUMBER: 778-66512
Harmonic Balancer for Big Block Chevy Pre-1989 8" External Balance
$10799
Ships on Sep 04, 2026
Lowest Price GuaranteeHarmonic Dampers
- Harmonic Balancer
- Big Block Chevy
- Pre-1989 454
- 8" External Balance
- Fits Chevy Small And Big Block Engines
- Brand New OE Replacement
Part TypeHarmonic Balancer
BrandPROFORM
Package Height3.3
Package Width8.5
Package Length8.6
Weight16.56 PG
Part CategoryPerformance Parts
Degree MarkingsYes
Harmonic Balancer ConstructionElastomer
QuantitySold individually
Mounting Hardware IncludedNo
Harmonic Balancer MaterialNodular iron
Part FitmentSemi Universal
Safety RatingNot SFI Approved
Engine BalanceExternal
Harmonic Balancer FinishNatural
Vendor Part Number66512
Package Qty1
Package TypeEA
No Questions
No Reviews
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Some parts are not legal for use in California or other states with similar laws / regulations
