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Renault Clio Williams Maxi 2.0 16v F7RR (Long Rod) Wossner Forged Piston Kit  496.80 
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 K9187
Engine Type F7RR
OE Bore Size 84.00mm
Bore Sizes Available

84.00mm - 1995.04cc

84.50mm - 2018.86cc

Stroke 90mm
Dome/Bowl Volume +12.6cc
Wössner Comp. Ratio 12.7:1
OE Comp. Ratio 10.0:1
Comp. Height 24.9mm
Valves Per Cylinder 4
Cylinders 4


Available Options:
K9187 Size Options:
84mm - K9187DA 
84.5mm - K9187D050 
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