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Renault Clio Williams 2.0 16v F7R Turbo Wossner Forged Piston Kit  521.64 
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 K9133
Engine Type F7R
OE Bore Size 82.70mm
Bore Sizes Available

82.70mm - 1998.22cc

83.00mm - 2012.74cc

83.50mm - 2037.07cc

84.00mm - 2061.54cc

Stroke 93mm
Dome/Bowl Volume -13.4cc
Wössner Comp. Ratio 8.5:1
OE Comp. Ratio 10.0:1
Comp. Height 30.7mm
Valves Per Cylinder 4
Cylinders 4


Available Options:
K9133 Size Options:
82.7mm - K9133DA 
83mm - K9133D030 
83.5mm - K9133D080 
84mm - K9133D130 
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