DESCRIPTION

Forged pistons Ø 66
Pin 15 with 3 rings
High compression for original cylinder

Forged pistons made of special aluminum alloy (copper-silicon), enhanced, dome-shaped with valve impressions, racing design, reinforced and lightened with constant thickness.

Segments no. 3:
1st compression ring made of chrome-plated steel,
2nd scraper ring made of phosphated steel,
3° Split: 2 chrome steel rings plus spring.

Two different solutions are available:

The normal selection is suitable for replacing only the piston without any modifications to the cylinders (pre-check that the sleeve is not ovalized, scratched, or damaged).

If the sleeve is not compliant, it is possible to install pistons of larger sizes, after duly machining the cylinders, strictly following the measurements indicated in the table.