As of the 2008 season to fit within the rules of Spec E30 competition "All pistons, including aftermarket replacements, shall be factory replacement spec
and match factory dome, dish, valve relief depth, ring groove placement, weight and
wrist pin height; compression shall meet factory replacement specifications.
The maximum allowable overbore is limited to the largest available factory replacement
piston, not to exceed .020 inch."
We offer forged CP Pistons to fit M20 and M42 in these guidelines. With so few areas to take advantage of the competition, run with the best, our VAC CP Pistons.
We feel that these are the best pistons for your Spec E30 or any BMW engine. Working closely with CP, these pistons meet our most stringent expectations and are the finest available anywhere.
Other products in the category Engine Components / Pistons:
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