DSS 392/ 6.4 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.100

The DSS 392/ 6.4 Small Block Mopar Hemi Gen III FX Series pistons offer superior performance for your Mopar engine build. These forged pistons provide the strength and durability required for high-performance applications, ensuring that your engine performs optimally under extreme conditions. With precise engineering, these pistons are designed for a perfect fit, offering the ideal balance of power, reliability, and performance.

Piston Specifications

Piston Top: -1.5cc Flat Top Gen III Hemi
Approximate Compression Ratios:
- Chamber 65cc: 11.63 to 1
- Chamber 74cc: 10.5 to 1
- Chamber 85cc: 9.41 to 1
*For accurate compression ratio info, use a compression calculator for precise adjustments.*
Engine Compatibility: Mopar Small Block Hemi Gen III
Engine Size: 392 - 6.4L

Technical Details

Cylinder Bore Size: 4.100 in (104.058 mm)
Ring Groove Width: 1.2/1.2/3MM
Compression Height: 1.210"
Pin Diameter: 0.945"
Connecting Rod Length: 6.200"
Crankshaft Stroke: 3.720"
Cylinder Head: Gen III Hemi
TDC Assembly Height: 9.270" (Zero Deck Height)

Performance & Compatibility

Designed to deliver exceptional performance, these pistons are ideal for high-performance Mopar Hemi builds. The -1.5cc flat top design ensures a perfect balance between compression and performance. Whether you're building a street engine or a race-ready powerhouse, these pistons will deliver the power and durability you need.