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Vehicle Info NeededFLUIDAMPRPART NUMBER: 388-720301
Harmonic Damper Mopar 318/340/360 Small Block Engines
$55835
3 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeMopar Harmonic Dampers
- Harmonic Damper
- Mopar 318/340/360 Small Block Engines
- Diameter: 7-1/4" O.D.
- Bore Dia. (Min/Max): 1.5295/1.5305
- Weight in lbs (Rotating Weight): 12.3 lbs. (8.2 lbs.)
- Internal Balance
- 6-Bolt Evenly Spaced Pulley Bolt Pattern
Note:6 bolt holes evenly spaced pulley pattern. May need to redrillone hole on stock pulley. This damper is designed to beused with a 1971 and later timing cover with the pointer onthe driver side. If it is used with the passenger side pointer,it will be 90 degrees off.
Part TypeHarmonic Balancer
BrandFLUIDAMPR
Package Height4.6
Package Width10.6
Package Length10.7
Weight13.01 PG
Part CategoryPerformance Parts
Degree MarkingsYes
PositionN/A
Degree Marking Range50
Part FitmentSemi Universal
Safety RatingSFI 18.1
FinishBlack Zinc
Engine BalanceInternal
Vendor Part Number720301
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
