DSS 6.2 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-K2-6850-4090
376 Small Block Mopar Hemi Gen III, FX 2618 Alloy, Comp Height: 1.275, -1.5cc Flat Top, PIN: .945, Full Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.578, ROD: 6.2, Includes matching DSS Racing ring set, Appox Comp Ratio: 65cc-11.2, 74cc-10.11, 85cc-9.06
SKU DSS-K2-6850-4090
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DSS 6.2 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090

The DSS FX Series forged piston set is engineered for high-performance applications in Mopar's Gen III Hemi platform. With precision machining, a durable -1.5cc flat-top design, and compatibility with a range of chamber sizes, these pistons provide robust performance, efficiency, and reliability for your engine build.

Piston Specifications

  • Piston Top: -1.5cc Flat Top Gen III Hemi
  • Approximate Compression Ratios:
    • 65cc Chamber: 11.2 to 1
    • 74cc Chamber: 10.11 to 1
    • 85cc Chamber: 9.06 to 1
    *For accurate compression ratio information, use a compression calculator.*
  • Engine Compatibility: Mopar Small Block Hemi Gen III
  • Engine Sizes Supported: 6.2

Technical Details

  • Cylinder Bore Size: 4.090 in / 103.804 mm
  • Ring Groove Width: 1.2/1.2/3MM
  • Compression Height: 1.275"
  • Pin Diameter: 0.945"
  • Connecting Rod Length: 6.200"
  • Crankshaft Stroke: 3.578"
  • Cylinder Head: Gen III Hemi
  • TDC Assembly Height: 9.264" (Zero Deck Height)

Performance & Compatibility

The DSS FX Series pistons deliver optimal performance for the Small Block Gen III Hemi. Designed for precise fit and high durability, they support a wide range of cylinder head configurations and compression ratios, making them an excellent choice for performance enthusiasts and engine builders.

prop-warning
Bore 4.090"

DSS 6.2 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090

The DSS FX Series forged piston set is engineered for high-performance applications in Mopar's Gen III Hemi platform. With precision machining, a durable -1.5cc flat-top design, and compatibility with a range of chamber sizes, these pistons provide robust performance, efficiency, and reliability for your engine build.

Piston Specifications

  • Piston Top: -1.5cc Flat Top Gen III Hemi
  • Approximate Compression Ratios:
    • 65cc Chamber: 11.2 to 1
    • 74cc Chamber: 10.11 to 1
    • 85cc Chamber: 9.06 to 1
    *For accurate compression ratio information, use a compression calculator.*
  • Engine Compatibility: Mopar Small Block Hemi Gen III
  • Engine Sizes Supported: 6.2

Technical Details

  • Cylinder Bore Size: 4.090 in / 103.804 mm
  • Ring Groove Width: 1.2/1.2/3MM
  • Compression Height: 1.275"
  • Pin Diameter: 0.945"
  • Connecting Rod Length: 6.200"
  • Crankshaft Stroke: 3.578"
  • Cylinder Head: Gen III Hemi
  • TDC Assembly Height: 9.264" (Zero Deck Height)

Performance & Compatibility

The DSS FX Series pistons deliver optimal performance for the Small Block Gen III Hemi. Designed for precise fit and high durability, they support a wide range of cylinder head configurations and compression ratios, making them an excellent choice for performance enthusiasts and engine builders.

prop-warning
Bore 4.090"
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