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Part Number:
CS-7057-DRP

Compstar LSX LS7 388 Balanced Rotating Assembly, 10.2:1 LS2K Diamond Pistons, Fits 15 Degree Heads

LS7 LSX  388 Rotating Assembly, Callies Compstar Crankshaft 3.625 Stroke, Callies Compstar 6.125 H-Beam Rods, LS2K Diamond Pistons -3cc Flat Top,  Rings, HP Bearings Included, Internal balanced, Pistons Fit 15 Degree Heads, 1600 HP Rated

Special Price $3,843.95 Regular Price $3,883.95
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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 LSX LS7 7.0L rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods, 2618 forged pistons, this kits is designed to make horsepower. Conservatively Rated to support up to 1600 horsepower engine builds. Connecting rod upgrade recommended for extreme builds. Higher horsepower applications please contact us for other kit options.

  • LS7 Balanced rotating assembly kit features
  • Callies Compstar 4340 forged steel crankshaft, 3.625 Stroke, 8 Counterweight Crankshaft (short snout / wet sump)
  • Callies Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts
  • LS2K Diamond 2618 forged pistons, H13 .250 wall wrist pins, Gas ported, Coated Skirts, 1.304 C.H (*Fits 15 degree LS1 LS2 L3 LS6 L92 Heads)
  • Diamond / Total Seal AP steel rings, 1.5mm top ring, 1.5mm Napier second ring, with 3.0mm oil rings for power adders
  • High-performance H series race main bearings and rod bearings
  • This Rotating assembly kit has been Internally balanced in-house by CNC-Motorsports
  • Compression Ratio with 62cc head 11.2:1
  • Compression Ratio with 70cc head 10.2:1
  • More Information
    CNC Part Number CS-7057-DRP
    Price $3,883.95
    Manufacturer's Part Number CS-7057-DRP
    Brands Callies, Compstar, Diamond
    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 3.625
    Piston Brand Diamond
    Piston Type Flat Top
    Rod Length 6.125
    Piston Material 2618 Forged
    Custom Notices ⚠ PROP 65 WARNING

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