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JE Pistons for BBC 571 312687
JE Pistons for BBC 571 312687
SKU: JE-PIS-312687

JE Pistons for BBC 571 312687

Part Number: 312687

$2,145.60


In Stock


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


Item: JE Pistons, BBC 571, Bore 4.625, Stroke 4.250, Rod Length 6.535, Dome +28.9cc, Set

JE Pistons Nitrous Series pistons designed for nitrous featuring, vertical and lateral gas ports have been incorporated to optimize top ring seal and reduce friction. Ring grooves are machined to accept JE Pro Seal series J860 “HNS” Hardened Nitrous Series rings with .043 back-cut top ring, 1/16 taper face second ring and 3/16 oil ring. Compression height figured using 9.800? deck height with zero deck clearance. Fits most open chamber cylinder heads. Part Number 258199 is designed for a decked block.

Includes:

  • Pin #990-2930-18-51S (174g)
  • Double spiro locks (#990-042-CS)
  • Vertical and Lateral gas ports
  • Contact reduction grooves

    Compression Ratio:

  • 110cc 13.6:1
  • 118cc 12.6:1
  • 124cc 11.9:1
  • Photo is for illustration purposes only

    SKU JE-PIS-312687
    Brand JE Pistons
    Shipping Weight 10.0000kg
    Shipping Width 0.500m
    Shipping Height 0.200m
    Shipping Length 0.400m

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