Part Number:
CS-542-MD

Compstar Big Block Chevy 540 555 565 Balanced Rotating Assembly Kit - 13.2:1 Mahle Dome Pistons

BBC, BB Chevy, Big Block Chevy 540 Rotating Assembly, Compstar Crankshaft 4.250, Compstar H Beam Rods 6.385, H Series Rod and Main Bearings, Mahle +43cc Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly

$3,453.95
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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 Big Block Chevy rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods with ARPL19 rod bolts, forged pistons, file fit pistons rings, performance bearings, these kits are designed to make horsepower. Kit option upgrades are recommended for extreme engine builds. Higher horsepower applications please contact us for other kit options.

  • Callies Compstar 4340 Forged Crankshaft, 4.250 Stroke, 2 Piece rear main seal (Gen IV) *Center counter weighted / CCW *
  • Callies Compstar H beam rods, 6.385 Length with ARP L19 Rod Bolts
  • Mahle power pak performance pistons (1.270 C/H)
  • Mahle performance 1.5mm top rings, 1.5mm second rings, 3.0mm oil rings
  • High performance H series main and rod bearings
  • Pistons are designed specifically to work with most any conventional Big Block Chevy cylinder head
  • Compression ratio w/112cc chamber: 14.1:1 (+38cc Dome)
  • Compression ratio w/118cc chamber: 13.2:1 (+38cc Dome)
  • Compression ratio w/124cc chamber: 12.5:1 (+38cc Dome)
  • Short Deck kit, 9.800
  • *This rotating assembly kit has been Internally balanced in-house by CNC-Motorsports*
  • Compression ratios calculated at zero deck and .040 gasket
  • More Information
    CNC Part Number CS-542-MD
    Price $3,453.95
    Sold As Kit
    Manufacturer's Part Number CS-542-MD
    Brands Callies, Compstar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy BB
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.250
    Piston Brand Mahle
    Piston Type Dome
    Rod Length 6.385
    Rear Main Seal 2 Piece
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING

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