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Pontiac Harmonic Dampers
- Harmonic Damper
- Pontiac 389-455 Engines
- Diameter: 6-5/8" O.D.
- Weight: 10.4 lbs
- Internal Balance
- Single 3/16" Key
Note: 4 bolt pattern on 3.300' bolt circle. Pulley holes must be re-drilled. 1969 & up timing cover may be required on early models.
Part TypeHarmonic Balancer
BrandFLUIDAMPR
Package Height4.6
Package Width10.3
Package Length10.6
Weight11.2 PG
Part CategoryPerformance Parts
Degree MarkingsYes
PositionN/A
Degree Marking Range50 BTDC to 10 ATDC. Additional timing/
Part FitmentSemi Universal
Safety RatingSFI 18.1
FinishBlack Zinc
Engine BalanceInternal
Vendor Part Number650401
Package Qty1
Package TypeEA
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