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Part Number:
JE-242934

JE Pistons 242934 Forged 427/ 428 FE Flat Top 4.280 Bore

JE Pistons, Ford FE 489, Bore 4.280, Stroke 4.250, Rod Length 6.700, Flat Top -5.0cc, 518 Grams, Set of 8

$989.99
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
JE Pistons specially designed for the latest aftermarket blocks and heads, JE pistons are for use with the aftermarket 4.250" crank and aftermarket 6.700" rods. The factory block should be sonic checked for 4.280" and 4.310" bores. These pistons use 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, call JE for details.

Includes:
  • Pin#990-2930-15-51S (150g)
  • Double spiro locks (#990-042-CS)

    Compression Ratio:
  • 72cc 12.5:1
  • 74cc 12.3:1
  • 88cc 10.8:1
    Note: *Does not work with OEM Connecting Rods. Designed for Aftermarket Connecting Rods only. Made to Order.*
  • More Information
    CNC Part Number JE-242934
    Price $989.99
    Manufacturer's Part Number 242934
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford FE
    Bore Size 4.280
    Crankshaft Stroke 4.250
    Rod Length 6.700
    Piston Type Flat Top
    Compression Height 1.325
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING

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