Part Number:
CNC-1181-MR

SB Chevy 427/434 Molnar Balanced Rotating Assembly - 14.3:1 Mahle Pistons *Gas ported*

SB Chevy 427 434, Rotating Assembly, Molnar 4340 Forged Crankshaft 4.000 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Mahle 6cc Dome Pistons, Gas Ported, 2-PC Seal, Balanced

$3,250.95
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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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Molnar rotating assembly kits offer quality and reliability you can count on. Featuring fully forged crankshafts, connecting rods and pistons these kits are designed to make horsepower. Conservatively rated to support 1000 horsepower applications. Higher horsepower applications please contact us for kit option upgrades.

  • Molnar 4340 forged steel crankshaft, 2pc rear main seal
  • Molnar 4340 forged steel H beam connecting rods with ARP2000 rod bolts
  • Mahle 2618 forged 6cc Dome pistons, Gas ported, Asymmetrical valve pockets, .168 wall pins *fits 23 degree cylinder heads*
  • Mahle Performance file to fit rings, 1.0 1.0 2.0mm
  • H series performance main and rod bearings
  • This kit is been internal balanced in-house by cnc-motorsports
  • Compression Ratio with 58cc 15.6:1
  • Compression Ratio with 64cc 14.3:1
  • Compression Ratio with 70cc 13.2:1
  • More Information
    CNC Part Number CNC-1181-MR
    Price $3,250.95
    Sold As Kit
    Manufacturer's Part Number 1181-MR
    Brands Mahle, Molnar
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy SB
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 4.000
    Piston Brand Mahle
    Piston Type Dome
    Rod Length 6.000
    Rear Main Seal 2 Piece
    Piston Material Forged
    Custom Notices ⚠ PROP 65 WARNING
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