The S&S T143 Long Block engine is the largest S&S engine that will fit in a stock Harley- Davidson® chassis. 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.
- S&S Premium High Performance Tappets, Gloss black rocker covers, gear cover, tappet blocks and pushrod tubes
- S&S B3 cylinder heads CNC machined with 2 bolt exhaust flanges
- Fits in stock chassis - no cutting or frame modifications
- S&S 1.725:1 rocker arms for .674" total lift.
- 143 cubic inches, 10.47:1 compression
- S&S 635 Easy Start Gear Drive Cams
- S&S TC3 cam plate and oil pump
- 3 Piece Flywheels
- 1 year warranty
- Made in USA
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| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: true |
| Prop 65: Unknown |
| Part Type: powersports |
| Epa: N/A |
| Regular Stock: false |
