S&S T143 143" Black Edition Long Block Engine Motor Harley 96-103 Twin Cam 07-16

Designer: S&S Cycle

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SKU 310-0837A

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Free delivery to the Lower 48 States
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Fitmet Questions? Call us at 610-754-8500

PART # 310-0837A

T143 Black Edition Longblock Engine for Select 2007-'16 HD® Twin Cam 96®, 103®, 110® Models - 635 GPE

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.

Features & Benefits:

Fits in stock chassis – no cutting or frame modifications

S&S B3 cylinder heads CNC machined with 2 bolt exhaust flanges

3 Piece Flywheels

S&S TC3 oil pump and cam plate

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

1 year warranty

Made in USA

143 cubic inches
10.47:1 compression