T143 Black Edition Longblock Engine for Select 2007-'16 HD® Twin Cam 96®, 103®, 110® Models - 635 GPE Cams HHI KITS Eliminates oil blow-bye issues associated

Eliminates oil blow-bye  issues associated with performance intakes on M8 engines

and now we put them on all our in-house custom builds

cowling spear and headlight assembly

Stock length

Enhance the braking performance of your 08-up  Harley-Davidson™ FLT touring/bagger models

T143 Black Edition Longblock Engine for Select 2007-'16 HD® Twin Cam 96®, 103®, 110® Models - 635 GPE Cams HHI KITS Eliminates oil blow-bye issues associatedThe 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