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SRP 139625

SRP Inverted Dome Pistons for Small Block Chevy 400 Bore 4.155"

SRP 139625
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867-139625

made in usa
jegs shipping
FREE Shipping
Ships 03/08/17 if Ordered Today
SRP 139625 SRP Inverted Dome Pistons for Small Block Chevy 400 Bore 4.155" $580.32
SRP Inverted Dome Pistons
  • Small Block Chevy 400 (+.030")
  • Bore: 4.155"
  • Stroke: 3.750 (407ci)
  • Rod Length: 5.700"
  • Dome Volume: -21cc
  • Weight: 488 grams
  • Compression Height: 1.425"
  • 8/pkg

  • SRP 139625 Details

    400 Block with 3.750" Stroke

    Compression Ratios
  • 58cc 10.4:1
  • 64cc 9.8:1
  • 76cc 8.7:1

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

  • Specifications:

    Manufacturer's Part Number:
    139625

    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.

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