DSS 6.0/LS2/6.2/LS3/L98/LQ9/LS7/LSA/LSX Chevy LS SX Series -10cc Dish Top Forged Piston Set 4.070

DSS RACING DSS Racing
SKU #DSS-K1821-4070
377 Chevy LS, SX 4032 Alloy, Comp Height: 1.305, -10cc Dish Top, PIN: .927, Full Floating or Press Fit, Ring Groove: 1.5/1.5/3MM, Stroke: 3.622, ROD: 6.125, Includes matching DSS Racing ring set, Appox Comp Ratio: 64cc-10.35, 66cc-10.13, 72cc-9.54
SKU DSS-K1821-4070
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DSS 6.0/LS2/6.2/LS3/L98/LQ9/LS7/LSA/LSX Chevy LS SX Series -10cc Dish Top Forged Piston Set 4.070"

High-performance forged piston set for Chevy LS engines, designed with -10cc dish tops and 4032 alloy for superior durability and thermal stability. Engineered for applications requiring reliable compression ratios and precise fitment.

Piston Specifications

  • Piston Top: -10cc Dish Top
  • Approximate Compression Ratios:
    • 64cc Chamber: 10.35:1
    • 66cc Chamber: 10.13:1
    • 72cc Chamber: 9.54:1
    *For exact compression, use a compression calculator for precise adjustments.*
  • Engine Compatibility: LS1, LS2, LS3, and LS7
  • Engine Sizes Supported: 6.0L (LS2), 6.2L (LS3, L98, LS7, LSA, LSX)

Technical Details

  • Cylinder Bore Size: 4.070 in (103.297 mm)
  • Ring Groove Width: 1.5/1.5/3 mm
  • Compression Height: 1.305"
  • Pin Diameter: 0.927"
  • Connecting Rod Length: 6.125"
  • Crankshaft Stroke: 3.622"
  • TDC Assembly Height: 9.241"
  • Piston Series: SX 4032 Alloy
  • Alloy: 4032 Alloy

Performance & Compatibility

Optimized for Chevy LS engines, this forged piston set provides excellent thermal resistance and enhanced durability. Ideal for performance builds requiring precise fitment and consistent compression across various chamber sizes.

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Bore 4.070"
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