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

DSS RACING DSS Racing
SKU #DSS-K2-6840-4090
376 Small Block Mopar Hemi Gen III, FX 2618 Alloy, Comp Height: 1.21, -1.5cc Flat Top, PIN: .927, Full Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.578, ROD: 6.243, Includes matching DSS Racing ring set, Appox Comp Ratio: 65cc-11.2, 74cc-10.11, 85cc-9.06
SKU DSS-K2-6840-4090
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DSS 6.1 Stroker Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090

Optimize your 6.1 Stroker Mopar Hemi engine with the DSS FX Series Forged Piston Set. Designed for precision and durability, these pistons deliver high performance and reliability for your Gen III Hemi.

Piston Specifications

  • Piston Top: -1.5cc Flat Top
  • Approximate Compression Ratios:
    • 65cc Chamber: 11.2:1
    • 74cc Chamber: 10.11:1
    • 85cc Chamber: 9.06:1
    *For precise calculations, use a compression calculator.*
  • 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)
prop-warning
Bore 4.090"
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