Pistons/Rings

- The pistons and rings are similar in design to the M42.
- The diameter of the piston has increased to match the increased bore (85 mm).
- Compression height 30.4 mm.
- Fireland 7.2 mm.
- Plain rectangular compression ring, 85 X 1.2, chrome plated, convex.
- Taper face ring, 85 X 1.5 lapped.
- 3 section steel strip ring, 85 X 2.0, chrome plated.

Pistons/Rings: