Interstate-McBee Piston Kit W/Pin for 3.9 / 5.9L Cummins

Single piston. Quantity of six (6) are required for entire set when rebuilding engine

Choice of standard bore, .020 over bore, or .040 over bore.

Includes piston, piston pin and circlips and piston ring set

Larger 155° Bowl to help injection event occur in bowl when advancing timing for improved diesel performance.

Run with 145° injectors

These pistons are good for 600HP

These pistons are NOT a low compression 155° marine piston that will cause smokey driving characteristics

If you would like the standard 145° pistons please contact us