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.
- S&S TC3 cam plate and oil pump, S&S 635 Easy Start Gear Drive Cams, S&S 1.725:1 rocker arms for .674" total lift
- S&S Premium High Performance Tappets, Gloss black rocker covers, gear cover, tappet blocks and pushrod tubes
- 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 B3 cylinder heads CNC machined with 2 bolt exhaust flanges
- T series engines are not compatible with HD Softail models
- Fits in stock chassis - no cutting or frame modifications
- 143 cubic inches, 10.47:1 compression
- 3 Piece Flywheels
- 1 year warranty
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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 |
