Part Number:
CS-7076-JE

Compstar LSX LS7 438 451 Rotating Assembly, 10.5:1 JE Pistons

LS7 LSX 438 439 440 445 451 Rotating Assembly, Compstar Forged Steel Crankshaft 4.100 Stroke, 6.125 H-Beam Rods, -14.6cc Dish JE Pistons, HP Piston Rings, H Bearings, Valve Pocket Fits 12 & 15 Degree LS Heads

$3,474.95
View Similar Items
⚠ 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.
Image is a representation of this item. Actual item may vary.

Callies Compstar LSX rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods with ARP2000 rod bolts, 2618 forged pistons, these kits are designed to make horsepower. Rated to support up to 1500 horsepower engine builds. Kit option upgrades are recommended for extreme engine builds. Higher horsepower applications please contact us for other kit options.

  • Compstar 4340 forged steel crankshaft 4.100 stroke, 8 Counterweight (short snout)
  • Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts, 6.125 length
  • JE 2618 forged pistons, .150 wall wrist pins, Round wire locks, Coated Skirts, 1.065 C/H (*Combination Valve Pocket fits 12 & 15 degree LS Heads)
  • JE Pro Seal Rings. 1.2mm Gas nitrided steel top ring, 1.5mm Napier second ring, with 3.0mm oil rings for power adders
  • Performance H series rod and main bearings
  • Rotating assembly comes unbalanced, balancing is required before installation.
  • Compression Ratio with 64cc heads 10.9:1
  • Compression Ratio with 68cc heads 10.5:1
  • Compression Ratio with 70cc heads 10.3:1
  • More Information
    CNC Part Number CS-7076-JE
    Price $3,474.95
    Sold As Kit
    Manufacturer's Part Number CS-7076-JE
    Brands Callies, Compstar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy LS
    Balanced Assembly No
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.100
    Piston Brand JE
    Piston Type Dish
    Rod Length 6.125
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING

    Related Products

    Check items to add to the cart or
    Other Customers Also Bought