Similar in design of the Brodix-12 15 Degree Dome pistons except these pistons are manufactured with a solid dome. JE pistons have the same deep valve reliefs to accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. JE pistons utilize dedicated left and right hand forgings.

Includes:

Pin #927-2750-15-51S (130g)

Double spiro locks (#927-042-CS)

Compression Ratio:

50cc 15.9:1

54cc 15.0:1

58cc 14.1:1