DSS 6.1 Stroker Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090

The DSS 6.1 Stroker Small Block Mopar Hemi Gen III FX Series pistons are designed for optimal performance and reliability in your 6.1 Stroker engine. These forged pistons feature a -1.5cc flat top design, ensuring enhanced compression and combustion efficiency for improved power output. With a durable construction and precise specifications, this piston set is ideal for those looking to boost their engine's performance.

Piston Specifications

Piston Top: -1.5cc Flat Top Gen III Hemi
Approximate Compression Ratios:
- 65 Chamber: 11.2 to 1
- 74 Chamber: 10.11 to 1
- 85 Chamber: 9.06 to 1
*For accurate compression ratio information, use the calculator below.*
Engine Brand: Mopar
Engine Family: Small Block Mopar Hemi Gen III
Engine Size: 6.1 Stroker

Technical Details

Cylinder Bore Size: 4.090 in, 103.804 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

These pistons are engineered to provide excellent performance in Mopar Small Block Hemi Gen III applications, especially for high-performance builds. Their precision fitment and durable materials ensure long-lasting reliability and optimal power output, making them ideal for serious enthusiasts.