Sportpiston only 410 g, Size B = 93,97 mm
Lightweight, short, forged piston 1000cc with 2 piston rings, -17mm in piston size 93,97 mm (B).
Compression height 24,5 mm and dome height 11 mm.
The weight from this piston is only 410 g (complete with rings, piston pin and clips) for Sport and Race use.
Each is -17 mm like the original one and the engine becomes 34 mm shorter!
1. oversize in 90,5 mm