Mahle Pistons 930276017 Forged Hemi 5.7L Dome PowerPak 3.917 Bore

Mahle PowerPak kits include pistons, pins, clips, and rings in a convenient, cost-effective, packaged assembly. Every Motorsport piston is machined to exact tolerances and incorporated features and value traditionally only available by ordering custom pistons. Mahle motorsport is continually developing and adding new technology to every piston they produce. Combined with premium Mahle components, from wrist pins to rings, each PowerPak kit further strengthens our position as the leader in Piston and ring Technology. Strength added compression and durability are available from Mahle's latest power-adder ready line of pistons for the 5.7L Hemi, in both stock stroke and 3.800" stroker applications.
Features:

Unique dome shape designed to work with early 85cc 5.7L heads, the 2009+ 65cc 5.7L heads, as well as the 74cc 6.1L cylinder heads.

Cylinder head interchangeability, combined with the variety of stock and aftermarket gasket thickness, a large number of compression ratio combinations are achievable. CR calculations below are using the stock 0.027" gasket thickness.

Optimized ring lands for maximum durability on power adder applications.

2618 alloy and anodized top ring groove for increased high-temperature strength and durability.

1.0, 1.0, 2.0mm ring set included; HV385 steel top, steel napier 2nd & STD tension oil rings.

Dual coated with phosphate and Mahle Grafal skirt coating for reduced drag and wear.

Compression Ratio:

65cc 12.2:1/ 12.6:1

74cc 10.8:1/ 11.2:1

85cc 9.5:1/ 9.9:1