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Part Number:
CS-6256-JE

Compstar 6.2L LS3 405/408 Balanced Rotating Assembly. 12.5:1 JE Pistons

6.2L LS3 405 406 407 408 Rotating Assembly, Callies Compstar Crankshaft 3.900 Stroke, Callies Compstar 6.125 H-Beam Rods, +7.5cc Dome JE Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly

Special Price $3,710.95 Regular Price $3,750.95
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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.

Callies Compstar LS3 6.2L rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods and 2618 forged pistons this kits is designed to make horsepower. Rated to support up to 1350 horsepower engine builds with kit option upgrades. Higher horsepower applications please contact us for other kit options

  • GM Chevy 6.2L LS3 L92 405-408 Stroker Balanced rotating assembly kit features
  • Callies Compstar 4340 forged steel crankshaft, 3.900 Stroke, 8 counterweight
  • Callies Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts
  • JE 2618 forged pistons, .150 wall wrist pins, Round wire locks, Coated Skirts, 1.165 C/H (Valve Pocket fits 15 Degree LS heads)
  • JE Pro Seal Rings 1.2mm Carbon steel nitride top ring, 1.5mm Napier second ring, with 3.0mm oil rings for power adders
  • High performance H series rod and main 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 12.2:1
  • More Information
    CNC Part Number CS-6256-JE
    Price $3,750.95
    Manufacturer's Part Number CS-6256-JE
    Brands Callies, Compstar, JE
    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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