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Vehicle Info NeededPROFESSIONAL PRODUCTSPART NUMBER: 428-80004
Powerforce Harmonic Damper Big Block Chevy 396/427
$9089$100.99You Save$10.10
Ships on Oct 02, 2026
Lowest Price Guarantee
Powerforce Street DampersChevy
- Powerforce Harmonic Damper
- Big Block Chevy 396/427
- 8'' Diameter
- Internal Balance
- Nodular Iron
Note: It is possible to convert this internally balanced damper to external simply by adding optional counterweight #91005. Some big blocks may require an aftermarket timing pointer to align with the TDC mark on these dampers.
Part TypeHarmonic Balancer
BrandPROFESSIONAL PRODUCTS
Package Height3.5
Package Width8.9
Package Length9.2
Weight13.51 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number80004
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
