SKU: JE-PIS-280266

JE Pistons for BBC 638 280266

Part Number: 280266

$2,145.60


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Australia wide rate - $30.00 (ETA: 3 days)

Description

Item: JE Pistons, BBC 638, Bore 4.625, Stroke 4.750, Rod Length 6.700, Flat Top -7.3cc, 583 Grams, Set

JE Pistons specifically designed for Naturally Aspirated 632 engines to fit the following cylinder heads: 12º Raptor, 12º Pro-Filer, Dart Big Chief 14º (program #’s 3815 & 384), Sonny Tru-Pro 14.5º, and Brodix PB1200. Precision CNC machined ring grooves are designed for .043 back-cut top rings, .043 D-wall 2nd rings, and 3.0mm oil rings. Compression distance and compression ratio calculated with zero deck clearance at listed block height.

Includes:

  • Pin #990-2930-18-51S (174g)
  • Double spiro locks (#990-042-CS)
  • Rail Supports(# 4600-203)
  • Double Forced Pin Oilers
  • Accumulator Grooves
  • Vertical gas ports for maximum top ring seal

    Compression Ratio:

  • 65cc 16.5:1
  • 70cc 15.7:1
  • 77cc 14.6:1
  • Photo is for illustration purposes only

    Specifications

    SKU JE-PIS-280266
    Brand JE Pistons
    Shipping Weight 10.0000kg
    Shipping Width 0.500m
    Shipping Height 0.200m
    Shipping Length 0.400m

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