Part Number:
CS-6260-M

Compstar 6.2L LS3 376 Balanced Rotating Assembly, Mahle Flat Top Pistons

6.2L LS3 376 377 378 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -5.8cc Flat Top Mahle Pistons, Rings, Performance Bearings, Internal balanced

$3,334.95
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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.
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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 with forged pistons this kit is designed to make horsepower. Rated to support up to 1250 horsepower engine builds. Kit upgrade options are recommended for max effort engine builds. Higher horsepower applications please contact us for other kit options

  • GM Chevy 6.2L LS3 Balanced rotating assembly kit features
  • Callies Compstar 4340 forged steel crankshaft, 3.622 Stroke, 8 counterweight
  • Callies Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts
  • Mahle 4032 forged pistons, .168 wall wrist pins, Round wire locks, 1.304 C/H (*Combination Valve Pocket fits 12 and 15 degree LS Heads)
  • Grafal Anti-friction skirt coating, Phoshate coated piston to reduce Micro-welding
  • Mahle low drag pistons ring set. 1.0mm steel top ring, 1.0mm napier second ring, 2.0mm 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 10.8:1
  • Compression Ratio with 70cc head 10.0:1
  • Compression Ratio with 72cc head 9.9:1
  • More Information
    CNC Part Number CS-6260-M
    Price $3,334.95
    Sold As Kit
    Manufacturer's Part Number CS-6260-M
    Brands Callies, Compstar
    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 3.622
    Piston Brand Mahle
    Piston Type Flat Top
    Rod Length 6.125
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING

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