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Part Number:
CS-5415-DRP

Compstar BBC 540 555 565 Balanced Rotating Assembly, 13.3:1 Nitrous Dome Diamond Pistons

BBC, Big Block Chevy 540 555 565 Rotating Assembly, Compstar Crankshaft 4.250, Compstar H Beam Rods 6.385, H Series Bearings, +46cc Nitrous Dome Diamond Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly, Nitrous kit

$4,398.95
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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 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*
  • Callies Compstar H beam rods, 6.385 Length with ARP L19 Rod Bolts
  • Diamond 2618 forged +46cc Nitrous Dome pistons (1.270 C/H)
  • H13 .225 Wall Pistons, Vertical Gas ports
  • Top ring down .325
  • Total Seal AP steel Nitrous rings .043 steel top, 1/16 napier 2nd, 3/16 oil ring
  • High performance H series main and rod bearings
  • Pistons are designed specifically to work with most any conventional open chamber Big Block Chevy cylinder head
  • Compression ratio w/112cc chamber: 14.2:1
  • Compression ratio w/118cc chamber: 13.4:1
  • Compression ratio w/121cc chamber: 13.0:1
  • Calculated deck Height 9.780" (Short Deck)
  • *This rotating assembly kit has been Internally balanced in-house by CNC-Motorsports*
  • Note: Pistons will work with 2.350 / 1.900 valve size
  • More Information
    CNC Part Number CS-5415-DRP
    Price $4,398.95
    Manufacturer's Part Number CS-5415-DRP
    Brands Callies, Compstar, Diamond
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make BB Chevy
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.250
    Piston Brand Diamond
    Piston Type Dome
    Rod Length 6.385
    Rear Main Seal 2 Piece
    Piston Material 2618 Forged
    Custom Notices ⚠ PROP 65 WARNING

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