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8" Harmonic Damper, Replacement ZZ383 Crate Engine
InfoVehicle Info Needed
CHEVROLET PERFORMANCEPART NUMBER: 809-12498008

8" Harmonic Damper, Replacement ZZ383 Crate Engine

$17022
ShippingShips on Sep 08, 2026
Lowest PriceLowest Price Guarantee
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$9823
Harmonic Balancer for Small Block Chevy [6 3/4 in. Diameter]

555-51652

Harmonic Balancer for Small Block Chevy [6 3/4 in. Diameter]

$7199

Small Block
    8" Harmonic Damper
  • Replacement ZZ383 Crate Engine
  • External Balance
  • Removable Weight for Neutral Balnce Engines
    Chevrolet Performance Harmonic Balancers are connected to the crankshaft of an engine to reduce torsional vibration and serve as a pulley for the belt drive system. Having a proper, reliable balancer is key to keeping your engine running smoothly as well as adjusting engine timing clearly and accurately. These Chevrolet Performance harmonic balancers are offered for all your performance needs and backed by quality with the Chevy name. Available for popular small block and LS-series engines.

    JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.

Part TypeHarmonic Balancer
Product LineChevrolet Performance Harmonic Balancers
BrandCHEVROLET PERFORMANCE
Package Height3.3
Package Width8.5
Package Length9.0
Weight11.91 PG
Part CategoryPerformance Parts
Degree MarkingsYes
Bolt And Washer IncludedNo
Mounting Hole Quantity1
Center Bore Diameter (Mm)31.62mm
QuantitySold individually
Mounting Hardware IncludedNo
Keyway TypeYes
Center Bore Diameter (In)1.24in
Engine BalanceInternal/External
Depth59
Mount Hole Diameter (Mm)9.525mm
Drive Belt TypeFlat
Inside Diameter1.26
Harmonic Balancer MaterialSteel
Outside Diameter8 in (203.2 mm)
Safety RatingNot SFI Approved
Pulley Groove Quantity0
Grade TypePerformance
Mount Hole Quantity3
Mount Hole Diameter (In)0.375in
Vendor Part Number12498008
Package Qty1
Package TypeEA
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Harmonic Balancer for Small Block Chevy [6 3/4 in. Diameter]

JEGS

Harmonic Balancer for Small Block Chevy [6 3/4 in. Diameter]

Part Number : 555-51652
$7199$77.69
You Save$5.70
Some parts are not legal for use in California or other states with similar laws / regulations
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