Part Number:
JE-131685

JE Pistons 131685 Forged 460 Flat Top 4.390 Bore

JE Pistons, BBF 466, Bore 4.390, Stroke 3.850, Rod Length 6.605, Flat Top -3.0cc, 654 Grams, Set of 8

$1,096.99
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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.
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JE pistons are specifically designed for the latest aftermarket blocks and heads, these pistons are for the use with the 427 or the 428 crank and aftermarket 4.250" crank with aftermarket 6.700" rod. 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 are available as customs, call JE for details.

Includes:
  • Pin #040-2930-18-51S (180g)
  • Double spiro locks (#031-042-CS)

    Compression Ratio:
  • 74cc 12.0:1
  • 80cc 11.3:1
  • 94cc 9.9:1
  • More Information
    CNC Part Number JE-131685
    Price $1,096.99
    Sold As Set
    Manufacturer's Part Number 131685
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford BB
    Bore Size 4.390
    Crankshaft Stroke 3.850
    Rod Length 6.605
    Piston Type Flat Top
    Compression Height 1.770
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 1.040
    Custom Notices ⚠ PROP 65 WARNING
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