HP 8.90 Pistons - 3.1" Family

Our HP Piston line-up is a great option for those looking to improve their Engines, or simply freshen an HP Engine themselves. These pistons are what we use daily in our 8.90 combinations. Full details:

• Sizes listed are HOLE SIZE not piston size. Be sure you order the correct size.
• Starting at 3.105" HOLE SIZE.
• Piston Weight: 140g (Weights may vary based on exact piston size within series.)
• .590 Compression Height
• .490 Wrist Pin
• Piston Kits Include: Piston/Wrist Pin/Rings/Clips

**All internal component sales are final, no returns or exchanges. If you need help getting your exact part, call us at 931-437-2457.**