S&S Cycle - S&S Performance Parts 2025 L - Volume 67

2017-UP

Phone: 608-627-1497

1 2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

Fitment: • 2017–2024 Touring Models Excluding 2023-up CVO or 2024 Road Glide and Street Glide models) • 2018–2024 Softail® Models Features And Benefits: • Huge bore increase (4 320") means huge power increase • 11:1 Compression Ratio • Works with stock crankcases • Original engine serial numbers are retained • Powder coat finish match factory finish, giving the bike a “sleeper” advantage • MLS (multi-layered steel) head gaskets

• Retains stock engine height • Includes Cam Cover Badge

Big Bore kits are not compatable with VVT Models

129, 132 & 136” Kits For 2017–' 24 Touring Models Displacement Stroke Finish

Part #

4 375"

Wrinkle Black with Highlighted Fins

910-0843

129"

4 375"

Wrinkle Black with Non-Highlighted Fins

910-0844

4 500"

Wrinkle Black with Highlighted Fins

910-0845

132"

4 500

Wrinkle Black with Non-Highlighted Fins

910-0846

4 500

Black Granite with Highlighted Fins

910-0847

4 625”

Wrinkle Black with Highlighted Fins

910-0848

136” (Not compatible with H-D 45/8" stroke flywheel.)

4 625”

Wrinkle Black with Non-Highlighted Fins

910-0849

4 625” 910-0850 FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT. Black Granite with Highlighted Fins

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