DSS 6.1 Small Block Mopar Hemi Gen III FX Series -18cc Dish Top Gen III Hemi Forged Piston Set 4.065"

The DSS 6.1 Small Block Mopar Hemi Gen III FX Series -18cc Dish Top Gen III Hemi Forged Piston Set is engineered for superior performance in high-performance builds. Designed specifically for the 6.1L Gen III Hemi engine, these pistons offer the durability and precision needed for optimal power, efficiency, and longevity. With an -18cc dish top design, they are a perfect fit for various applications demanding reliability and precision.

Piston Specifications

Piston Top: -18cc Dish Top Gen III Hemi
Approximate Compression Ratios:
- 65 Chamber: 9.31 to 1
- 74 Chamber: 8.57 to 1
- 85 Chamber: 7.82 to 1
*For accurate Comp Ratio info use the calculator below.*
Engine Brand: Mopar
Engine Family: Small Block Mopar Hemi Gen III
Engine Size: 6.1

Technical Details

Cylinder Bore Size: 4.065 in, 103.170 mm
Ring Groove Width: 1.2/1.2/3MM
Compression Height: 1.210"
Pin Diameter: 0.927"
Connecting Rod Length: 6.243"
Crankshaft Stroke: 3.578"
Cylinder Head: Gen III Hemi
TDC Assembly Height: 9.242" (Zero Deck Height)

Performance & Compatibility

This piston set is designed to maximize the performance of your 6.1L Gen III Mopar Hemi engine. Its precision construction provides the strength needed for high-performance builds, ensuring longevity and consistency in both street and track applications. Perfect for enthusiasts looking to increase horsepower while maintaining a durable, reliable engine.