DSS 6.1 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.065

Upgrade your engine's performance with the DSS FX Series Forged Pistons, designed for precision, durability, and optimal power in Small Block Mopar Hemi Gen III engines.

Piston Specifications

Piston Top: -1.5cc Flat Top Gen III Hemi
Approximate Compression Ratios:
- 65cc Chamber: 11.06 to 1
- 74cc Chamber: 9.99 to 1
- 85cc Chamber: 8.95 to 1
*For accurate compression ratio calculations, use a compression calculator.*
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: 0.984"
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 forged pistons are engineered for strength and precision, making them ideal for high-performance builds. Compatible with Small Block Mopar Hemi Gen III engines, they deliver superior compression and durability under demanding conditions.