Pistons › DHR7030 Duramax 6.6L (16.5 CR Hybrid) CP Pistons DHR7030 Duramax 6.6L (16.5 CR Hybrid) CP Pistons $3,284.40 Chevy 6.6L Duramax 4.075 Bore - 16.5:1 1.156 pin with 6.620" Carrillo rodCylinders: 8Bore: 4.075"Stroke: 3.898"Rod Length: 6.620"Compression Height: 1.744"Dome/Dish Volume: -38.5ccCatalog Compression Ratio: 16.50:1Piston Weight: 786gPin: 1.156 x 3.155 Chevy 6.6L Duramax 4.075 Bore - 16.5:1 1.156 pin with 6.620" Carrillo rodCylinders: 8Bore: 4.075"Stroke: 3.898"Rod Length: 6.620"Compression Height: 1.744"Dome/Dish Volume: -38.5ccCatalog Compression Ratio: 16.50:1Piston Weight: 786gPin: 1.156 x 3.155 Add To Cart Added! You Might Also Like DR7021 Duramax 6.6L (16.1 CR) CP Pistons $3,284.40 DHR7029 Duramax 6.6L (16.5 CR Hybrid) CP Pistons $3,284.40 DHR7032 Duramax 6.6L (16.5 CR Hybrid) CP Pistons $3,284.40 DR7001 Duramax 6.6L (16.1 CR) CP Pistons $3,284.40 DR7022 Duramax 6.6L (16.1 CR) CP Pistons $3,284.40