DSS 2618 4.8 / 5.3 / Stroker LS K2-FX Series -15cc LS Dish Top Piston Set. 3.780

DSS RACING DSS Racing
SKU #DSS-K2-2863-3780
350 Chevy LS, FX 2618 Alloy, Comp Height: 1.165, -15cc Dish Top, PIN: .927, Full Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.9, ROD: 6.125, Includes matching DSS Racing ring set, Appox Comp Ratio: 64cc-9.3, 66cc-9.12, 72cc-8.6
SKU DSS-K2-2863-3780
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DSS 2618 4.8 / 5.3 / Stroker LS K2-FX Series -15cc LS Dish Top Piston Set. 3.780"

Upgrade your engine with the DSS 2618 4.8 / 5.3 / Stroker LS K2-FX Series -15cc LS Dish Top Piston Set, designed for high-performance applications. These pistons are perfect for Chevy LS engine builds, offering excellent compression ratios and exceptional durability. With a -15cc dish top design, these pistons are engineered for reliable power and efficiency, making them ideal for both street and race builds.

Piston Specifications

  • Piston Top: -15cc Dish Top for achieving optimal compression ratios and power efficiency.
  • Approximate Compression Ratios:
    • 64cc Chamber: 9.3 to 1
    • 66cc Chamber: 9.12 to 1
    • 72cc Chamber: 8.6 to 1
    *For accurate compression ratio information, use the compression calculator below.*
  • Engine Compatibility: Chevy LS family, including LS1, LS2, LS3, LS6, LS7, and stroker applications.
  • Engine Sizes Supported: 4.8L, 5.3L, LS1, LS6, and stroker configurations.

Technical Details

  • Cylinder Bore Size: 3.780 inches (95.936 mm)
  • Ring Groove Width: 1.2/1.2/3mm, featuring Gas Nitride Stainless Steel Top Ring, Napier Second Ring, and Flex Vent Oil Control Ring for superior durability and sealing.
  • Compression Height: 1.165 inches for optimal combustion and engine efficiency.
  • Pin Diameter: 0.927 inches for secure connecting rod fitment.
  • Connecting Rod Length: 6.125 inches, compatible with popular LS stroker setups.
  • Crankshaft Stroke: 3.900 inches, ideal for LS stroker applications.
  • Cylinder Head Compatibility: LS1, LS2, LS3, and LS7 cylinder heads.
  • TDC Assembly Height: 9.240 inches (Zero Deck Height) for efficient combustion and power delivery.

Performance & Compatibility

The DSS -15cc Dish Top Pistons are ideal for Chevy LS engine applications, including LS1, LS2, LS3, LS7, and stroker builds. These pistons offer optimal compression ratios for performance-driven builds, ensuring improved horsepower and torque. Designed with durability in mind, they’re perfect for street builds as well as high-performance race applications. Achieve the best balance of power, durability, and efficiency with DSS pistons for your LS engine.

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Bore 3.780"
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