WOSSNER Mini Cooper S R53 Forged Pistons - Set of 4

Code: PIST-WOS-R53
  • £597.00
  • (Delivery from £28.00)
  • RRP £600.00
Item in Stock | Usually dispatched within 24 hours


  • Suitable for Engines developing larger Volumes of Heat
  • Teflon coated Skirts
  • Suitable for Minis Running more Boost
  • Capable of handling Larger Volumes of Compression 
  • Comes with Oil Seal Rings and Pins
  • Available in Stock size or oversize +0.25mm and +0.50mm
  • Compatible with Over Sized Valves and High Lift Cams

If your mini is anything but standard and your engine is generating larger amounts of power, compression and heat then fitting forged pistons is really a very sensible idea to help safe guard and improve the strength of your engine. The wossner pistons are suitable for the cooper s, cooper s jcw and the cooper s GP generation one models. 


  • Clearance 0.07mm
  • Compression Height 26.5mm
  • Compression Ratio 8:3:1
  • Stroke 85.5mm
  • Dome Volume - 1.25cm3

 At PRS Racing we don't want to charge any more than is necessary for the postage hence we charge by the weight of each product, helping to ensure cost effective shipping prices.
The following prices are based around quotes and can be subject to change. If this is the case PRS Racing reserve the right to contact you with any shipping amendments prior to shipping of your products to ensure 100% customer satisfaction. All prices are INCLUSIVE of VAT.

UK Delivery Services:

Free Delivery is 1st Class Royal mail Signed for if Under 3KG

Special Delivery is Pre 1Pm Royal Mail - if under 3KG


Next day Delivery Is Royal mail business if under - 3KG


Over 5KG DHL/UK mail next day

European Delivery

Delivery is based on weight in both the UK and Europe please allow 3 - 7 working days for delivery

0 - 0.49kg       £4.99
0.5 - 0.99kg    £5.99
1kg - 2.99kg   £6.99
3kg +              £20  (Weight Dependent)

Rest of World Delivery

International orders are worked on Volumetric weight. Please allow 4 - 10 working days for delivery

0 - 0.49kg      £9.99
0.5 - 0.99 kg  £12.99
1kg - 2.99kg  £14.99
3kg +             £25.00 (Weight Dependent)

All Parcels are shipped with a tracking number to ensure you know when to expect your order. If you have supplied us with a contact number or e mail, you can txt to re arrange the delivery with the Currier at a suitable time and date. Items that are in stock are shipped same day if the order is placed before 2pm.

PRS are committed to keeping a large stock of goods, however we cannot always guarantee that all items will be in stock at time of purchase. If your item is not in stock we will contact you informing you when to expect your item.

PRS cannot be held liable for any reasonable or unavoidable loss or damage suffered as a result of a delay in delivery.

Please Note: As a result of Brexit and the continued changes some orders my be subjected to import Tax and handling Fees. Please check first if you are unsure before placing an order.