Fluidampr
Fluidampr 650401 SFI Harmonic Balancer Int Bal Pontiac V8 6 5/8" Dia
Fluidampr 650401 SFI Harmonic Balancer Int Bal Pontiac V8 6 5/8" Dia
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Part Number: FLU-650401
Fits Pontiac 326, 350, 400, 421, 428 and 455 V8's Engines
Please contact us before ordering if you are not 100% sure of fitment for your application.
FITMENT NOTE: Pontiac 326, 389, 400, 421, 428, 455 V8, internally balanced. 4 bolt pulley pattern on 3.300 bolt circle. Holes in pulley must be re-drilled, '69-later timing cover & pulley may be required on early models.
UPC: 815293001180
Engine Balance: Internal
Safety Rating: SFI 18.1
Degree Markings: Yes
Degree Marking Range: 50 BTDC to 10 ATDC
Outside Diameter (in): 6.625 in.
Harmonic Balancer Material: Steel
Harmonic Balancer Construction: Fluid
Harmonic Balancer Finish: Black zinc chromate
Mounting Hardware Included: No
Quantity: Sold individually.
Notes: Additional timing/degree marks at 90, 180, and 270 degrees.
Using only three parts (a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI-approved Fluidampr harmonic dampers can control all crankshaft vibration--not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.
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