Part Number
CNC-4601-DF

BB Ford 573/605 Scat Competition Rotating Assembly 12.3:1 Diamond Pistons

Big Block Ford Stroker Kit, 4340 Forged Steel Crankshaft 4.500 Stroke, 6.800 H-Beam Rods, Diamond -5cc Flat Pistons, AP Steel Rings, H Bearings, Balanced Assembly, Fits Motorsports A&B, IDT Eliminator *New Design*, TFS A460 &EX-514 Cylinder Heads

$3,239.95
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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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CNC-Motorsports is proud to offer big cubic inch stroker kits for the 385 series Big Block Ford engine. These kits are designed to support up to 1500 horsepower applications. This kit will support power adders.
  • Scat 4340 Forged Steel Crankshaft 4.500 Stroke
  • Scat 4340 H-Beam Connecting Rods with 7/16" ARP 2000 Bolts, 6.800 Length
  • Diamond 2618 Forged Pistons with H13 .185 wall wrist pins, 1.245 C/H
  • Diamond / Total Seal AP steel ring set, .043 steel top ring, .043 napier second. 3/16 oil ring
  • Performance H series rod bearings and main bearings
  • Rotating assembly has been Internally balanced in-house by CNC-Motorsports

    Compression Ratio:
  • 75cc 13.6:1
  • 85cc 12.3:1
  • 87cc 12.1:1

    Note: Valve pocket designed to work with Motorsports A&B, IDT Eliminator *New design*, TFS A460 &EX-514 cylinder heads. Will work with up to 2.400 Intake and 1.90 exhaust valve
  • More Information
    Price $3,239.95
    Vehicle Make Ford BB
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.500
    Piston Brand Diamond
    Piston Type Flat Top
    Rod Length 6.800
    Rear Main Seal 2 Piece
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING
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