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BIG BORE KIT
We apply all of our experience and precision to your head repair and porting.
You could think of us as surgeons.
We make the effort to restore your cylinders as close to new condition as possible. You can see the difference.
A high level of science and technical expertise with cylinders and our NSC plating go into all of our big bore kits. Experience what its like to ride a rocket.
SPI Pistons Sale
Our entire stock of SPI pistons is on sale in our new online store!
Learn more about cylinders and our processes in these informative videos.
MPS/Thyen at Manufacturers Cup Haltech World Finals. Read more about him and our other sponsored riders.
Big Bore Kits
Piston Kit Sale
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