PISTON KIT 13-15 SXF250 78mm A, PROX 01.6333.A
ProX Piston Kit 78.00 mm Bore 4-Stroke STD COMP 13.9:1. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using state-of-the-art CNC equipment and feature a low-expansion, low-friction piston alloy utilized by major Japanese engine manufacturers. The piston is coated with an OEM-style tin coating to aid in the break-in process. Includes replacement ring set PROX 02.6333.
- SKU
- 56-W954.A.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX Piston Kit - 78mm Bore, 13.9:1 Compression
This ProX Piston Kit is designed for high-performance four-stroke engines, featuring a 78.00 mm bore and a 13.9:1 standard compression ratio. Each kit comes ready for installation and includes all necessary components: piston rings, wrist pin, and circlips.
ProX pistons are manufactured using advanced CNC equipment, employing a low-expansion, low-friction piston alloy that is also utilized by major Japanese engine manufacturers. The pistons feature an OEM-style tin coating to aid in the crucial break-in process for your engine.
This kit is a direct replacement and is compatible with the PROX RING SET 02.6333.
- Bore Diameter: 78.00 mm
- Engine Type: 4-Stroke
- Compression Ratio: 13.9:1 (Standard)
- Included Components: Piston, piston rings, wrist pin, circlips
- Material: Low-expansion, low-friction alloy
- Coating: OEM-style tin coating for break-in assistance
- Manufacturing: Precision machined on state-of-the-art CNC equipment


