S&S T143 310-0737 motor upgrade Harley Davidson 1999-2006 Carbureted Touring Models (except 2006 Dyna) Replacement Twin Cam T143 Engine From S&S Cycles In Black & Silver - 310-0737
Ultra performance/race engine double the horsepower of the stock engine
Displacement - 143" Bore - 4.425 Stroke - 4 5/8" Cam - 635 Piston Type - S&S Forged Flat Top
Compression Ratio - 10.5:1
FEATURES AND 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
- S&S high flow oil pump and cam cover
- S&S 635 Easy Start Gear Drive Cams and S&S 1.725:1 rocker arms for .674" total lift.
- S&S Premium High Performance Tappets