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Part Number:
MOL-6009-K1JE

Molnar 405 LS3 Pro Balanced Kit, 12.5:1 JE Pistons

LS3 Stroker Kit, 405 406 407 408 Stroker Kit, Molnar 4340 Forged Steel Crankshaft 3.900 Stroke, Molnar 6.125 H-Beam Rods, JE FSR +7.5cc Dome Pistons, JE Pro Seal Rings, HP Bearings Included, Balanced Assembly

$3,612.95
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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.
CNC-Motorsports is please to offer Molnar rotating assembly kits. These kits are designed for performance application builds up to 1200 horsepower
  • GM Chevy LS3 6.2L Balanced Stroker rotating assembly kit features
  • Molnar 4340 forged steel crankshaft, 3.900 Stroke
  • Molnar 4340 forged steel H-Beam rods with 7/16" ARP 2000 rod bolts
  • JE FSR 2618 forged pistons, .150 wall wrist pins (*Fits all 12 or 15 degree LS cylinder heads) 1.165 C/H
  • JE Premium pro seal performance piston rings, 1.2mm 1.5mm 3.0mm
  • High performance H series main and rod bearings
  • This Rotating assembly kit has been Internal balanced in-house by CNC-Motorsports
  • Compression Ratio with 64cc head 13.2:1
  • Compression Ratio with 68cc head 12.5:1
  • Compression Ratio with 70cc head 12.21

    Wrist pin upgrade is recommended for applications past 800 horsepower
  • More Information
    CNC Part Number MOL-6009-K1JE
    Price $3,612.95
    Manufacturer's Part Number 6009-K1JE
    Brands JE, Molnar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy LS
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 3.900
    Piston Brand JE
    Piston Type Dome
    Rod Length 6.125
    Piston Material 2618 Forged
    Custom Notices ⚠ PROP 65 WARNING
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