DSS 5.7 Stroker Small Block Mopar Hemi Gen III FX Series -12cc Dish Top Gen III Hemi Forged Piston Set 3.947

DSS RACING DSS Racing
SKU #DSS-K2-6713-3947C
371 Small Block Mopar Hemi Gen III, FX 2618 Alloy, Comp Height: 1.21, -12cc Dish Top, PIN: .927, Full Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.795, ROD: 6.125, Includes matching DSS Racing ring set, Appox Comp Ratio: 65cc-9.94, 74cc-9.08, 85cc-8.23
SKU DSS-K2-6713-3947C
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DSS 5.7 Stroker Small Block Mopar Hemi Gen III FX Series -12cc Dish Top Gen III Hemi Forged Piston Set 3.947

The DSS 5.7 Stroker Small Block Mopar Hemi Gen III FX Series pistons are precision-engineered for maximum performance and durability. Designed for use in 5.7 Stroker Mopar Hemi engines, these pistons are forged with a -12cc dish top for optimal compression ratios and engine efficiency. Ideal for serious performance builds that demand reliability under extreme conditions.

Piston Specifications

  • Piston Top: -12cc Dish Top Gen III Hemi
  • Approximate Compression Ratios:
    • 65cc: 9.94 to 1
    • 74cc: 9.08 to 1
    • 85cc: 8.23 to 1
    *For accurate compression ratio information, use the calculator below.*
  • Engine Compatibility: Mopar Small Block Hemi Gen III
  • Engine Size: 5.7 Stroker

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: 6.125"
  • Crankshaft Stroke: 3.795"
  • Cylinder Head: Gen III Hemi
  • TDC Assembly Height: 9.233" (Zero Deck Height)

Performance & Compatibility

This piston set is designed for high-performance applications, providing excellent durability and strength for builds that push the limits. With a precision fit for the Gen III Hemi engine family, these pistons are the perfect choice for achieving high compression and power.

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Bore 3.947"
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