94mm Piston for Big Block GX and Clones and R500-V

94mm piston to fit our 94mm 10-block. Uses GX390 wrist pin diameter. Includes pin and clips.

Also fits Rato R500-V (aka Duromax 500)

*This piston requires machining of the small end of the connecting rod.*

• Wrist Pin Diameter: 20.0mm (.787")
• Wrist Pin Length: 53.0mm (2.087")
• Compression Height: 26.9mm (1.059")
• Weight: 266g
• Uses 1.2mm-1.2mm-2.5mm piston rings.