Fingers Oval Bowl Performance Cast Duramax Pistons, 2001-2016

Part# FOBP

$2,150.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fingers Oval Bowl Performance Cast Duramax Pistons

Fits 2001-2016 6.6L Duramax

Fingers Pistons are special order, please allow at least an additional 20-25 business days before shipment

Forged Options available, please call for availability.

A design from the mind of "Fingers", the Oval Bowl piston design utilizes computer aided stress analysis to disperse loads in the piston and keep more material in the right places, making them the go to pistons for the hard core enthusiast. Starting with new Mahle Race Cast pistons, Fingers can build them to your specifications. Stock and overbore sizes, valve reliefs or no valve reliefs. Compression ratio can range from 15.5:1 - 18:1, or higher. These cast pistons are able to be run in a high horsepower daily driver set up for the ultimate in longevity and performance.

  • Durability-oriented combustion bowl with design features intended to reduce stress issues caused by high pressure, long duration and advanced timing
  • Lower compression ratios allowing more flexibility for high output tuning
  • Fully radiused valve pockets, where applicable, to improve flow
  • Includes Rings, wrist pins and clips


  • Fingers oval Bowl Pistons
  • Wrist Pins
  • Rings

DmaxStore Note: This is a custom order part, once it has been processed, it CANNOT be canceled, returned, or refunded.

Please contact your engine machine shop if you are unsure about certain specifications.