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Honda XR600R / XR600 (1985-01) 4 Stroke Wossner Forged Piston Kit  119.93 
Ex Tax of 20% 


Wössner are regarded by Europe’s leading motor sport engine builders as being the piston of choice when building an engine not only to perform, but to withstand the stresses and duress’s of competition life. Wössner pistons feature a unique PTFE coating on the skirts and a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance then he might do on another make of piston. This helps remove the slapping noise during cold start, common place among engines running forged pistons due to larger then OE bore clearances. The crowns of the pistons are also polished to better resist detonation on a high performance engine. Polishing allows a more even spread of heat inside the chamber which will help prevent “hot spots” on piston crowns. Price includes all piston rings and gudgeon pins.




Technical information is sourced from Wossner's latest catalogue

Part Number 8574
Engine Type XR600R / XR600 591cc - 654cc
OE Bore Size 96.94mm
Bore Sizes Available

96.94mm - DA



97.44mm - D050

DA - D050 WP057

97.94mm - D100




101.94mm - D500

D100 - D500 WP023

Stroke 80mm
Wossner Comp. Ratio 9.3:1
OEM Comp. Ratio 9.0:1
Dome/Bowl Volume -4.8cc
Comp. Height 29.70mm


Available Options:
8574 Size Options:
100.94mm - 8574D400 
101.94mm - 8574D500 
96.94mm - 8574DA 
96.95mm - 8574DB 
96.96mm - 8574DC 
97.44mm - 8574D050 
97.94mm - 8574D100 
98.94mm - 8574D200 
98.94mm - 8574D200 
99.94mm - 8574D300 
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