01.6338.B Piston & Rings – Prox Racing Parts


1 in stock (can be backordered)


01.6338.B Prox Racing Parts Piston & Rings


  • ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition
  • High-quality cast piston made with dedicated tooling and molding
  • Made from hypereutectic alloy for extra strength and reduced expansion
  • Special ring setup for improved durability and resistance to wear
  • Some pistons come with Full MoS2 skirt coating for improved breaking in and resistance to scuffing
  • Anodized piston dome for increased protection against excessive heat
  • Usage of high-quality rings such as Riken for optimum heat transfer and sealing
  • Packed in a box containing piston, rings, wrist pin, circlips.


KTM SX-F250 2006-2012

KTM EXC-F250 2007-2013

Husaberg FE250 2013


OEM Ref: 770.30.007.700

Additional information

Weight 0.247 kg
Dimensions 9.5 × 9.5 × 9.5 cm