DSS 5.7 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 3.947

DSS RACING DSS Racing
SKU #DSS-K1-6710-3947
350 Small Block Mopar Hemi Gen III, FX 4032 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-10.55, 74cc-9.53, 85cc-8.54
SKU DSS-K1-6710-3947
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DSS 5.7 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Forged Piston Set 3.947

Elevate your engine's performance with the DSS 5.7 Small Block Mopar Hemi Gen III FX Series forged pistons. These flat-top pistons are engineered for strength, reliability, and optimized compression ratios, making them ideal for high-performance applications.

Piston Specifications

  • Piston Top: -1.5cc Flat Top Gen III Hemi
  • Approximate Compression Ratios:
    • 65cc Chamber: 10.55:1
    • 74cc Chamber: 9.53:1
    • 85cc Chamber: 8.54:1
    *For precise compression ratio, use a compression calculator.*
  • Engine Brand: Mopar
  • Engine Family: Small Block Mopar Hemi Gen III
  • Engine Size: 5.7

Technical Details

  • Cylinder Bore Size: 3.947 in (100.175 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)
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