Part Number:
JE-330120

JE Pistons 330120 BBC 557 Lightweight FSR GP Forged Dome +40cc 4.500 Bore

JE Pistons, Lightweight, Gas Ported, BBC 557, Bore 4.500, Stroke 4.375, Rod Length 6.535, Dome +40cc, 593 Grams, Set of 8

$1,283.99
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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 new F.S.R. hollow dome GP (Gas Ported) pistons are specifically designed for circle track and drag racing applications. Up to 100 grams lighter than traditional full round (including wrist pin and rings), but stronger and more durable due to modern FEA-designed forging. Deeper valve pockets to accommodate higher lift cams and milled cylinder heads. Accepts low friction .043/.043/3.0mm ring package. Dome configuration designed to accommodate most popular open chamber cylinder heads, including Brodix Head Hunter with up to 2.400" diameter intake valves.

Includes:
  • Pin #990-2500-18-51C (151g)
  • Wire Locks 990-073-MW
  • Lateral gas ports
  • Accumulator grooves
  • Contact reduction grooves

    Compression Ratio:
  • 110cc 15.0:1
  • 118cc 13.8:1
  • 124cc 13.0:1
  • More Information
    CNC Part Number JE-330120
    Price $1,283.99
    Sold As Set
    Manufacturer's Part Number 330120
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.500
    Crankshaft Stroke 4.375
    Rod Length 6.535
    Piston Type Dome
    Compression Height 1.060
    Piston Material 2618 Forged
    Piston Ring Size .043 .043 3.0mm
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING
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