Wossner Forged Pistons 0.25 MINI R53 | R52 | Cooper S | JCW

New set of Wossner forged pistons, including piston rings, piston pins, and circlips.

These Wossner pistons are manufactured from 4032 aluminium alloy and feature a unique PTFE skirt coating, allowing for tighter piston-to-wall clearance. The crowns of the pistons are polished to ensure even heat distribution across the entire piston and combustion chamber, helping to prevent “hot spots”.

Specifications:
– Weight 236g
– Comp.height 26.50mm
– C.R. 8.3:1
– Bore size 77.25mm
– Crown Vol. 1.25cc

Wossner has over 40 years of experience in producing high-performance pistons and connecting rods. All pistons are developed, forged, and machined at their own facilities, ensuring optimal quality and delivery. Wossner can be summed up in three words: Quality, Service, and Innovation.