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SRP SRP Inverted Dome Pistons for Small Block Chevy Bore 4.020"

SRP 139631
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867-139631

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SRP SRP Inverted Dome Pistons for Small Block Chevy Bore 4.020" $589.03
SRP Inverted Dome Pistons
  • Small Block Chevy 350 (+.020")
  • Bore: 4.020"
  • Stroke: 3.480 (353ci)
  • Rod Length: 5.700"
  • Dome Volume: -24cc
  • Weight: 491 grams
  • Compression Height: 1.560"
  • 8/pkg

  • SRP 139631 Details

    350 Block with 3.480" Stroke

    Compression Ratios

    • 58cc 9.0:1
    • 64cc 8.5:1
    • 70cc 8.0:1 

      Ring Groove Sizes
    • Top Ring: 1/16"
    • Second Ring: 1/16"
    • Oil Ring: 3/16"

    Specifications:

    Shipping Weight:
    12.89
    Package Height:
    11.800
    Package Width:
    11.900
    Package Depth:
    6.600
    Manufacturer's Part Number:
    139631

    Inverted dome utilizes radius tooling to eliminate hot spots. Symmetrical valve reliefs for universal installation. Valve reliefs cut for oversized valves and most street/strip camshafts. Lower ring lands and thicker crown for increased durability. High silicon alloy for tighter piston to wall clearance. Can be used in small blower and nitrous applications. .927'' x 2.750'' x .150'' straight wall carbon steel wristpin (130g) included. 1/16, 1/16, 3/16'' ring grooves.

    Some parts are not legal for use in California or other states with similar laws / regulations