Prox Full cast size A Piston kitRef : 9568DA / 1094692001

Manufacturer reference: 01.6322.A

PROX forged piston designed for Cross engines, intended to replace the original component in the top ends of the listed 250 cm3 models. Made from aluminum, this piston features a flat head with reed machining, standard compression, and an oversize marked with the letter "A". Nominal diameter: Ø 66.34 mm (indicated as Ø 66.340 mm on the specification sheet). Its forged construction provides material quality suited to the demands of off-road use.

• Type: PROX forged piston
• Diameter: Ø 66.34 mm (Ø 66.340 mm)
• Compression: Standard
• Oversize letter: A
• Material: Aluminum
• Specificity: Flat head / Reed machining
• Universe: Cross

Main compatibilities — most common models:

• KTM 250 EXC SIX DAYS (2005 - 250 cm3)
• KTM 250 EXC (2005 - 250 cm3)
• KTM 250 EXC SIX DAYS (2004 - 250 cm3)

Associated parts and replacement references: rings 261190, pin 032042, clips CP1812, needle cage 400437. Always check the size and engine reference before installation to ensure proper fit and function.