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Wossner Forged High Compression Piston Set | Renault Clio 172 & 182 | 2.0 F4R

Original price £808.99 - Original price £849.43
Original price £808.99
£728.09
£728.09 - £764.49
Current price £728.09
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Choose a Cylinder Bore Size

Custom Order Item

This item is ordered to specification. Usual lead time is 7-10 days. If urgently required, please contact us for an accurate lead time. Custom ordered items are not eligible for cancellation/return - see T&C's.

Wossner Forged Piston Set for Renault Clio Mk2 RS 172 & 182 with 2.0 Renault F4R engine

These Wossner pistons are the perfect choice if you are considering tuning your 2.0 litre Renault Clio Mk2 172 or 182 engine and are seeking more power. They are forged from 4032 alloy and are therefore able to better withstand the stresses and heat created by pushing the engine past factory limits (vs the cast oem pistons).

Wossner pistons feature a unique moly coating on the skirts and are manufactured from a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance then they might do with another make of piston. This helps remove the slapping noise during cold start, common place among engines running forged pistons due to larger than OE bore clearances.

The crowns of these Wossner pistons are also mirror polished to better resist detonation on high performance engines. Mirror polishing allows a more even spread of heat inside the chamber which will help prevent hot spots on piston crowns.

The price shown includes a full set of pistons, piston rings, wrist pins and pin circlips.

These pistons are available to suit a variety of bore sizes and have the manufacturer recommend piston:wall clearance machined into the piston itself.

Please note that the 13.1:1 compression piston requires use of the Wossner H beam connecting rod due to the narrower small end.

The compression ratios shown are indicative, and are based upon using a factory head gasket and an otherwise untouched engine. The exact ratio will depend upon the specification of your engine and bore size chosen (specification factors such as head gasket thickness, if head has been skimmed, combustion chambers reworked etc will impact the ratio). The manufacturer specified bowl volume is shown below (which is constant across the available bore sizes) if you wish to calculate the exact compression ratio of your engine.

Piston Specification:

Compression Height: 30.2mm

Material: 4032 alloy

Wrist Pin Diameter: 21mm

In built piston:wall clearance (excluding coating): 0.07mm

Dome volume of 11.8:1 Piston = 3.35cc
Dome volume of 12.8:1 Piston = 5.3cc
Dome volume of 13.3:1 Piston = 7.3cc

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