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Part Number:
CNC-4623-MRDRP

Molnar BBF 521 533 Stroker kit 12.1:1 Flat Top Diamond Pistons

Ford 460, 521 533 Stroker Kit, Molnar Crankshaft 4.300, Molnar H Beam Rods 6.800, Diamond Pistons -5cc Flat Top, Fits OEM Valve Heads, Balanced Assembly

$3,867.95
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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.
Molnar BBF 460 385 series 521 533 stroker kits are perfect for street strip an competition engine applications. Molnar stroker kits offer quality and reliability you can count on.

  • Molnar Crankshaft, 4340 forged steel, 4.300 Stroke
  • Molnar H Beam connecting rods with ARP2000 rod bolts 6.800 Length
  • Diamond forged pistons, with .185 wall wrist pins and locks (1.345 C/H)
  • Piston Valve pockets designed to work with cast iron or aluminum heads with OEM valve layouts*
  • Will clear 2.250 intake and 1.880 exhaust valve
  • Total Seal performance piston rings included
  • Includes H series race bearings
  • Rotating assembly kit has been Internally balanced in-house by CNC-Motorsports
  • Compression Ratio w/75cc: 12.5:1
  • Compression Ratio w/78cc: 12.1:1
  • Compression Ratio w/95cc: 10.4:1
  • Note Stock 460 bore size is 4.360, Deck Height 10.300
  • More Information
    CNC Part Number CNC-4623-MRDRP
    Price $3,867.95
    Manufacturer's Part Number 4623-MRDRP
    Brands Mahle, Molnar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make BB Ford
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.300
    Piston Brand Diamond
    Piston Type Flat Top
    Rod Length 6.800
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING
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