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Part Number:
JE-170698

JE Pistons 170698 Forged Tour Series GP 4.040 Bore

JE Pistons, SBC, 385, Bore 4.040, Stroke 3.500, Rod Length 6.125, Flat Top -5.0cc, 389 Grams, Set of 8

Special Price $969.29 Regular Price $1,076.99
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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 Ultra Light GP, this JE piston set has undergone engineering changes to handle higher horsepower 4-barrel applications (approximately 650 hp) and angle milled heads. Both 350 and 400 series accept oversize valves (intake pocket is 2.255" and the exhaust pocket is 1.870") and long duration, tight lobe separation cams. The ring grooves are precision machined for .043, .043, 3mm back cut rings with lateral gas ports for superior ring seal.

Includes:
  • Lateral Gas Ports >li>Contact Reduction Grooves
  • Double Spiro Locks #927-042-CS
  • Double Pin Oilers

    Compression Ratio:
  • 58cc 11.2:1
  • 64cc 10.3:1
  • 76cc 9.1:1
  • More Information
    CNC Part Number JE-170698
    Price $1,076.99
    Manufacturer's Part Number 170698
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.040
    Crankshaft Stroke 3.500
    Rod Length 6.125
    Piston Type Flat Top
    Compression Height 1.125
    Piston Material 2618 Forged
    Piston Ring Size .043 .043 3.0mm
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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