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CP Pistons GM Diesel Piston and Ring Kits
Not Yet Reviewed
Key features:
* Extra deep valve pockets
*
Key features:
* Extra deep valve pockets
* 100 percent hard anodized for improved heat and scuff resistance
* Custom skirt design for less piston rock in the bore for improved wear—only requires a minimum piston-to-wall clearance on non-filled blocks
* Forged side relief and milling for reduced weight
* Large dish top radius and blended radius into pockets
* Non-undercut radius bowl
* Radius valve reliefs to reduce hot spots
* Thicker 2nd land for additional strength and top ring support
* Broached pin oilers for improved pin oiling and added strength over traditional forced pin oiling
* Steel bushing
Chevy 6.6L Duramax 4.075 Bore - 16.5:1 1.156 pin with 6.620" Carrillo rod
Part Number: CNN-DHR7030-8
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Chevy Duramax 4.075 1.946 16.5.1 Comp
Part Number: CNN-DR7021-8
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Chevy Duramax 4.095 1.946 16.1 Comp
Part Number: CNN-DR7022-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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