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BMW Mini Cooper S R56 1.6 16v (Turbocharged 2007-Present) Wossner Forged Piston Kit  684.00 
Ex Tax of 20% 

Overview

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.

 

Specification

Specifiction

Technical information is sourced from Wossner's latest catalogue

Part Number K9469
Engine Type R56 / EP6 / 1.6 16v Turbo
OE Bore Size 77.00mm
Bore Sizes Available

77.00mm - 1592.56cc

77.50mm - 1613.31cc

Stroke 85.8mm
Dome/Bowl Volume -0.55cc
Wössner Comp. Ratio 10.5:1
OE Comp. Ratio 10.5:1
Comp. Height 28.5mm
Valves Per Cylinder 4
Cylinders 4

 

Available Options:
K9469 Size Options:
77mm - K9469DA 
77.25mm - K9469D025 
77.5mm - K9469D050 
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