Triumph 750 twin cast piston kit Bore Size:+.060" piston set and leaks begin to form

and leaks begin to form on a once perfect seal

It was widely used on Triumph

We have extensively tested this kit both in racing and street applications

1  1/4” I

no matter how huge the cam lift is

Triumph 750 twin cast piston kit Bore Size:+.060" piston set and leaks begin to formWhat if the piston is too small? Sometimes the machine shop will not be able to clean up the bore for your piston size. This is because a + . 020" piston will only take . 010" off per side, and the cylinder may also be worn or have a taper. You can exchange any piston set from our shop with another size should you ever discover this is the case, as long as the rings have not been file fit or pistons modified. No problem. We include installation