S&S Cycle

Milwaukee-Eight ®

3 PIECE FLYWHEEL ASSEMBLIES

Milwaukee-Eight ®

The crankshaft is the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, our new crankshaft assemblies for the Milwaukee-Eight® platform are the best of the best to build your high performance engine around.

96 ™ /103 ™ /110 ™

2007–2017 Twin Cam

FEATURES AND BENEFITS: • Available in 43/8”, 41/2”& 45/8”Stroke • Available with or without Balancer Gear • Heat Treated 4140 Material is harder & more than twice as strong as stock Finite Element Analysis to eliminate weak spots and handle more power! • Available with either full width or tapered wristpin connecting rods • Perfect for Gear Drive Cams • Consistent balance & precision machining • Capable of higher RPM –More available power! • Stronger assembly eliminates need to weld crankpin • S&S High Strength Connecting Rods are designed with

1999–2006 Twin Cam 88 ®

Sportster ® & Buell ® Indian ® Models Street Rod ™

1986–2019

2014–2019 Street ® &

REPLACEMENT PARTS: SEE PAGE 52

Tapered connecting rods

Full Width connecting rods

FLYWHEEL ASSEMBLIES FOR 2017-2020 M8 MODELS

Balanced to Total Piston Weight (gms)

Compression Ratio

RodWristpin End Style

Balancer Gear

Displacement 107" (with stock pistons)

Stroke

Part #

320-0601 320-0616 320-0601 320-0616 320-0604 320-0619 320-0598 320-0615 320-0598 320-0615 320-0603 320-0618 320-0602 320-0617 320-0602 320-0617 320-0605 320-0620

Yes

4 3/8"

9.9

1060

Tapered

No

Yes

124" (with S&S® cylinders & pistons) 124" (with S&S cylinders & pistons)

4 3/8"

10.8

1060

Tapered

No

Yes

Tools & Shop Supplies

4 3/8"

10.8

1213

Full

No

Yes

114" (with stock pistons)

4 ½"

10.3

1060

Tapered

No

Yes

128" (with S&S cylinders & pistons) 128" (with S&S cylinders & pistons)

4 ½"

10.8

1060

Tapered

No

Warranty & Company Policy

Yes

4 ½"

10.8

1213

Full

No

Yes

117" (with stock 114" pistons)

4 5/8"

10.6

1060

Tapered

No

Yes

131" (with S&S cylinders & pistons) 131" (with S&S cylinders & pistons)

Index

Appendix &

4 5/8"

10.8

1060

Tapered

No

Yes

4 5/8"

10.8

1213

Full

No

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