Description:

Borowski Race Engines, Inc has worked with Diamond Pistons to develop a custom piston design that will outperform shelf pistons.  Custom diameters and dishes available.  Some common combinations kept in stock.  Click here for a compression calculator.

• Thick crown with softened edges to prevent detonation
• Better ring spacing to prevent the ring lands from collapsing under boost (about 30% wider spacing than shelf pistons)
• Lateral bracing for better side support - will still clear reluctor ring with 4.000" stroke
• .205 Wall Wrist Pin
• Double wrist pin oilers and banana groove
• CNC lightening on the underside

*Requires 6.000" Rod with a 4.000" Stroke or a 6.125" Rod with a 3.750" Stroke