DSS 426/ 6.2/ 6.4 Stroker Small Block Mopar Hemi Gen III FX Series -18cc Dish Top Gen III Hemi Forged Piston Set 4.090

DSS RACING DSS Racing
SKU #DSS-K1-6815-4090
426 Small Block Mopar Hemi Gen III, FX 4032 Alloy, Comp Height: 1.12, -18cc Dish Top, PIN: .927, Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.05, ROD: 6.125, Includes matching DSS Racing ring set, Appox Comp Ratio: 65cc-10.53, 74cc-9.67, 85cc-8.82
SKU DSS-K1-6815-4090
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DSS 426/ 6.2/ 6.4 Stroker Small Block Mopar Hemi Gen III FX Series -18cc Dish Top Gen III Hemi Forged Piston Set 4.090

Designed for performance and reliability, the DSS -18cc Dish Top Gen III Hemi Forged Piston Set is precision-engineered for the Small Block Mopar Hemi Gen III engine family. Ideal for stroker builds, this piston set ensures durability and optimal compression ratios for your Mopar engine.

Piston Specifications

  • Piston Top: -18cc Dish Top Gen III Hemi
  • Approximate Compression Ratios:
    • 65cc Chamber: 10.53 to 1
    • 74cc Chamber: 9.67 to 1
    • 85cc Chamber: 8.82 to 1
    *For precise compression ratio information, use a compression calculator.*
  • Engine Compatibility: Small Block Mopar Hemi Gen III
  • Engine Sizes Supported: 426, 6.2L, 6.4L Stroker

Technical Details

  • Cylinder Bore Size: 4.090 in (103.804 mm)
  • Ring Groove Width: 1.2/1.2/3MM
  • Compression Height: 1.120"
  • Pin Diameter: 0.927"
  • Connecting Rod Length: 6.125"
  • Crankshaft Stroke: 4.050"
  • Cylinder Head: Gen III Hemi
  • TDC Assembly Height: 9.270" (Zero Deck Height)

Performance & Compatibility

This piston set is optimized for high-performance applications, offering exceptional strength and precision. Engineered to handle the demands of stroker setups, it provides consistent performance for your Mopar engine build.

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Bore 4.090"
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