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

2007-'17

www.sscycle.com

If Bigger is Better, the T143 is the Best… The Biggest, baddest, bolt-in for a Stock Frame.

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 2-22

All joking about size aside, it does matter The S&S T143 Long Block engine for Harley-Davidson® models

is the largest S&S engine that will fit in a stock Harley- Davidson® chassis It’s big, 143 cubic inches At double the HP of a stock motor, the

power of the T143 requires technical expertise for the installation and tuning along with an experienced rider This is an ultra performance/ race engine Longevity, engine noise, vibration and throttle sensitivity have all been compromised to reach this level of performance while fitting in a stock chassis and as such is not suitable for every situation It is the purchaser’s responsibility to consider the suitability for their application Engine noise and damage from abuse is not covered under warranty Fitment • 2007–’16 Harley-Davidson® touring models • 2006–’17 Dyna® models Features & Benefits • Fits in stock chassis - no cutting or frame modifications • S&S B3 cylinder heads CNC machined with 2 bolt exhaust flanges • S&S Super Stock T2 Crankcases with reed breather valve • 3 Piece Flywheels • TC3 Oil Pump and Cam Plate • S&S 635 Easy Start Gear Drive Cams and S&S 1 725:1 rocker arms for 674” total lift • 1 year warranty

Options • Wrinkle Black, Stone Gray, or Black Edition powder coat finish

Suggested Accessories • Stealth Air Cleaner Kit 143 Cover

T143 Engines without Fuel and Ignition Systems Chassis Style Displacement Bore

Stroke Cam Piston Type CR

Warranty Finish

Part #

Wrinkle Black & Chrome

310-0548A‡ 310-0837A‡ 310-0901A 310-0883A

2007–'16 touring models 2006–'17 Dyna® Models

S&S Forged Flat Top S&S Forged Flat Top

143"

4 425" 45/8"

635

10 5:1 1 year

Black Edition Black Edition

143"

4 425" 45/8"

635

10 5:1 1 year

Wrinkle Black & Chrome

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

T-Series engines are not compatible with HD® Softail® models ‡ S&S does not recommend compression ratios higher than 10:1 for Tri Glide® or other three wheel models (including conversions) due to extra loads caused by the lugging nature of these bikes Detonation and subsequent engine damage may result

REQUIRES OIL LINE INSTALLATION KIT. See chart on next page

The T143 will require a custom made exhaust