
PROFORMPART NUMBER: 778-66513
Harmonic Balancer for Small Block Chevy 400 8" External Balance
$9999
2 left in stockHarmonic Dampers
- Harmonic Balancer
- Small Block Chevy 400
- 8" External Balance
- Fits Chevy Small And Big Block Engines
- Brand New OE Replacement
Precision Balancing for Maximum Performance
Proform Harmonic Dampers are engineered to reduce harmful engine vibrations, ensuring smoother operation and extending the life of critical engine components. Manufactured with high-quality materials and precise balancing, these dampers deliver dependable performance for both street and racing applications. Designed as direct-fit replacements, Proform Harmonic Dampers provide durability, accuracy, and the performance confidence enthusiasts expect.
Part TypeHarmonic Balancer
Product LineProform Harmonic Dampers
BrandPROFORM
Package Height3.2
Package Width8.5
Package Length8.5
Weight12.5 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 Number66513
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations

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