Harmonic Balancer for Small Block Chevy 6-3/4" Internal Balance with Center Timing Mark
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-66509

Harmonic Balancer for Small Block Chevy 6-3/4" Internal Balance with Center Timing Mark

$8999
ShippingShips on Nov 05, 2026
Lowest PriceLowest Price Guarantee

Harmonic Dampers
    Harmonic Balancer
  • Small Block Chevy
  • 1984-1995 350 with Center Timing Mark
  • 6-3/4" Internal 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 Width7.2
Package Length7.5
Weight8.89 PG
Part CategoryPerformance Parts
Degree MarkingsNo
Harmonic Balancer ConstructionElastomer
QuantitySold individually
Mounting Hardware IncludedNo
Harmonic Balancer MaterialNodular iron
Part FitmentSemi Universal
Outside Diameter6.75 in (171.5 mm)
Safety RatingNot SFI Approved
Engine BalanceInternal
Harmonic Balancer FinishNatural
Vendor Part Number66509
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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