FLUIDAMPR Harmonic Balancer Toyota Supra 2JZ-GTE 2JZ-GE SC300 GS300 IS300 840801

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SKU 840801

Will fit 1990-2005 Toyota / Lexus. 1JZ / 2JZ I6. Internal balance.

Fluidampr Engine Dampers are designed to control destructive vibrations that are transferred through the crankshaft.

Each time the air/fuel mixture inside a cylinder is ignited, the combustion that occurs creates a torque spike that is applied to the crankshaft through the piston and rod. This torque spike is so severe that it not only turns the crankshaft, it actually twists the crankshaft ahead of its normal rotation, and then the crankshaft rebounds. This twisting action is known as torsional vibration. When these torque spikes and forces get into phase with the natural frequency, critical torsional harmonic vibrations occur and can be seriously destructive to the bearings and the crankshaft. Dampers are designed to control those destructive vibrations.

Critical harmonic vibrations occur numerous times in an engine’s operating range. Stock rubber and elastomer-type dampers are frequency sensitive “tuned absorbers”, and work at only one critical frequency. In the case of a stock rubber damper, it is tuned for a factory engine’s critical harmonic vibrations. If you change the mass of pistons, rods, or the crankshaft, you change the natural frequency of the crankshaft assembly; therefore, the stock damper is no longer tuned to the new frequency of vibration, and you may be headed for early failure of expensive engine components. Dampers also create heat while they work, and rubber is a poor dissipator of heat. This heat and the exposure to the elements deteriorates rubber, causing it to crack and change the durometer, which then leads to inertia ring slippage, damper failure, uncontrolled torsional vibration, and costly engine parts breakage.

Part Number:
fdr840801
Description:
Fluidampr Harmonic Balancer
Finish:
Black Zinc
O.D.:
8-1/2" (8.500)
Safety Rating:
SFI 18.1
Bore Dia. Min/Max:
1.378 / 1.379
Degree Marking Range:
31 Timing marks 2 degrees apart and one @180 degrees
Engine Balance:
Internal
Degree Markings:
Yes
WT. in lbs.()=Rotating weight:
9.7 (6.5 Rwt)
Material:
Steel
Keyway:
Single
Length:
2.1
Mounting Hardware Incl.:
No
Bore Diameter:
1.3783"
Degree Markings:
Engraved
Length:
2.096"
Mounting Hardware Included:
No
Outside Diameter:
8-1/2"
TITLE:
Fluidampr - 840801 - Harmonic Balancer - Fluidampr - Toyota - 1990-2005 - 1JZ / 2JZ I6 - Each
Weight / Rotating Weight:
9.8 lbs / 6.5 lbs
Prop 65 - Short Label:
CA-Prop65-label.jpg
Prop 65 (C, R, or CR):
CR
Prop 65 Yes/No:
Yes
Bolt and Washer Included:
No
Depth:
2.096
Drive Belt Type:
Serpentine
Inside Diameter:
1.3783
Keyway Type:
Single
Mounting Hole Quantity:
1
Pulley Groove Quantity:
6

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