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T143 Thrasher Kits 

For Your S&S Engine

• 1999-2016 Harley-Davidson® Touring models

• 1999-2017 Harley-Davidson® Dyna® models

This is how we make a T-143 awesome.

Dome to chamber fit and correct bore and hone with 4.440 pistons and Total Seal rings.

T143 head.jpg
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  • Heads ported & machined

  • Titanium Intake & Exhaust Valves

  • Bronze Seats Installed

  • Spring Kit with Titanium Retainers

  • Custom Star Pistons

  • Cylinders Bore & Hone

  • Bore Chambers

  • Head & Base Gaskets

  • Star Custom Cam

You send us your heads and cylinders.



Call 229-924-0031

WARRANTY - Star Power makes no warranty, expressed or implied, as to the products sold, manufactured, or imported by us, including without limitation any warranties or merchantability and fitness for a particular purpose. These parts are designed for racing only; use them at your own risk.

YOUR COMPLETE SATISFACTION IS OUR GOAL – Most performance parts are designed for off highway use only and may not be legal for use on public streets, roads, or highways. Performance parts are inherently short lived and must be inspected regularly to prevent untimely failure and/or damage. Any new or modified parts, or any services provided by Star Power (or which are sold through Star Power) are sold as performance parts and are sold as is with no warranty, unless specified by the individual manufacturer.