Part Number:
CS-5903-JE

Compstar BB Chevy 632 Rotating Assembly 15.0 JE Pistons

BB Chevy 604 612 621 632 638 rotating Kit, Compstar Crankshaft 4.750, Compstar H Beam Rods 6.700", H Series Bearings, JE Pistons +40cc Dome, File Fit Rings, 2 Piece Rear Main Seal, 

$3,435.95
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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 rotating assembly kits designed for all out competition. This rotating assembly kit will support up to 1500 horsepower applications. Power adders are welcome. Upgraded wrist pins are recommended with power adders.

  • Callies Compstar Crankshaft, 4340 Forged Steel, 4.750 Stroke, 2 Piece rear main seal (Gen IV) Center counterweights
  • Callies Compstar 4340 H beam rods with ARPL19 Rod bolts
  • JE pistons, .150 wall wrist pins (1.120 C/H) *Pistons fit 24 26 degree conventional head*
  • >Performance file to fit ring set, 1/16 1/16 3/16 oil rings
  • High performance H series main and rod bearings included
  • Rotating assembly kit has no been balanced
  • Compression ratio w/110cc chamber: 16.4:1
  • Compression ratio w/118cc chamber: 15.0:1
  • Compression ratio w/124cc chamber: 14.1:1
  • Fits Tall Deck kit, 10.180

  • More Information
    CNC Part Number CS-5903-JE
    Price $3,435.95
    Sold As Kit
    Manufacturer's Part Number CS-5903-JE
    Brands Callies, Compstar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy BB
    Balanced Assembly No
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.750
    Piston Brand JE
    Piston Type Dome
    Rod Length 6.700
    Rear Main Seal 2 Piece
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING

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