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JE Pistons 170669

BB-Chevy 18° Dome Pistons Bore 4.600"


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Estimated ship date 11/02/17 if Ordered Today
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JE Pistons 170669 BB-Chevy 18° Dome Pistons Bore 4.600" $956.89
BB-Chevy 18° Dome Pistons
  • Bore 4.600"
  • Ring Size .043, 1/16, 3/16

  • JE Pistons 170669 Details

    BB-Chevy Dome


  • Top choice for drag racing applications
  • Work with angle-milled heads
  • Forced pin oiler with annular oil reservoir
  • Valve reliefs to accommodate oversized valves and high-lift cams
  • JE heavy-duty wrist pins (150g)
  • Double spiral locks
  • Oil rail support
  • Gas porting


  • Stroke 4.250"
  • Rod Length 6.535"
  • Dome Volume 13cc
  • Compression Height 1.120"
  • Compression Ratio with 9.800" deck height:
    15.3:1 with 82cc head
    14.5:1 with 87cc head
    13.8:1 with 97cc head

  • Specifications:

    Manufacturer's Part Number:

    JE Pistons can make it happen, and that's probably why more engine builders choose them. JE's success, though due to many factors, is mainly thanks to their high-tech, CNC-based manufacturing facility which produces thousands of accurate, identical pistons. JE was the first and is the only manufacturer to use Ultra-Crown 3-D technology. Considered an industry standard among the racing elite, this technology allows you to take advantage of one of racing's most guarded secrets.

    Ford 302 Inverted Dome: These pistons are designed to be compatible with forced induction and nitrous applications. The valve reliefs are machined to accommodate larger valves and long duration, tight lobe separation cams.

    Note: Pistons sets are sold 8 per package except for Buick V6.

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