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S&S Cycle 3-Piece Flywheel Assembly
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Made in U.S.A.
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S&S Cycle 3-Piece Flywheel Assembly

$1,366.16
$1,517.99

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J&P Part #:  161-707
Mfr Part #:  320-0402

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S&S Cycle 3-Piece Flywheel Assembly
S&S Cycle 3-Piece Flywheel Assembly

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S&S Cycle 3-Piece Flywheel Assembly

S&S Cycle 3-Piece Flywheel Assembly

$1,366.16
$1,517.99
Order in the next to ship today

Product Details

Description

Description for S&S Cycle 3-Piece Flywheel Assembly

• Vast improvement over stock flywheels which shift out of true under heavy load

• Heat-treated 4140 material is 114% stronger than stock, eliminates thrust washer

• Larger 1.671" crankpin, increased cross-sectional area for increased crank-pin clamping force

• Harder material, no thrust washers required, where stock flywheels have thrust washers

• S&S flywheels have steel gripping the crankpin

• No welding required

• Integral mainshafts,consistent balance and precision machining, truer flywheels and less vibration, and eliminates two potential points of weakness

• Reduced mainshaft deflection at high rpm, less vibration, reduced piston and rod side thrusting, prevents oil pump damage, fully compatible with gear drive cams

• Capable of higher rpm which allows more available power

• Includes sprocket bearing race

Note: Strokes longer than stock will require S&S Cycle piston oiler set 424-030. 2007-up stock rod length is 7.659". Stock pistons in 2007 and later engines require rods with tapered wristpin ends.

Note: Flywheel assemblies supplied with sprocket shaft bearing race installed are compatible with stock roller style sprocket shaft bearings. Assemblies with no race require a Timken sprocket shaft bearing.

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S&S Cycle 3-Piece Flywheel Assembly
Specifications

Product Specs for S&S Cycle 3-Piece Flywheel Assembly

Bore Size:
88", 95", 97", 100"
Manufacturer Part Number:
320-0402
Sold in Units:
assembly
Stroke:
4"
Warehouse Part Number:
1015795
Fitment

Fitment Questions?

With over 750 years of experience combined, our tech staff has the answers!

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Product Notes

Shipping Note

Due to state regulations we cannot ship this item to the state of California.

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