WOSSNER PISTON KIT-2 BMW R1200GS,S,ST, WOSSNER K8710DA-2, 101mm

Piston kit 101mm Bore 100.96 Wossner K8710DA-2 (STD) BMW
R1200GS 2006 - 2009,
R1200S 2006 - 2009,
R1200ST 2006 - 2009,
R1200RT 2006 - 2009,
R1200R 2006 - 2009,
(Pro Series)

Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9935.000.WO (oro2u.com)
BMW R1200GS,S,ST,RT,R Pro 2006-2009, [Long Rod]
WOSSNER K8710DA-2 PISTON KIT SET/2.
SIZE BORE [100.96mm] 101mm STD. Clips P/N C22X1.6
Pin P/N WP009
Ring Set P/N 1010XSY Display (cm3) 1170
Hub stroke (mm) 73.00
Clearance (mm) 0.04
Wossner compression Ratio:12.70:1
OEM Compression ratio: 12.00:1
Dome volume (cm3) +4.40
Compression height (mm) 27.90
Theorectical weight (G)     Wossner high performance forged pistons, are world leaders in piston research and development. As used by many race teams Wossner forged pistons are designed to operate at the highest levels of motorsport and competition. You can have confidence in your engine when you are running Wossner pistons. Wossner piston kits come complete with rings,pins and circlips ready for fitting.