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Part Number:
CNC-9409-MR

CNC Competition SB Ford 331 Stroker Dart Short Block - Molnar, Diamond 9.5:1 Pistons - Twisted Wedge

Dart SHP Block, Molnar 3.250 Forged Crankshaft, Molnar 5.400 H Beam Rods, Diamond 9.5:1 Flat Top Pistons, Fits Twisted Wedge Heads

$7,324.95
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3% CREDIT PAYMENT FEE
An additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.
FREIGHT CHARGE
This part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.
⚠ 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.
CNC-Motorsports, has quickly raised the bar to a new level in offering high quality short blocks at an affordable price. Our short blocks have become a huge hit among racers and performance enthusiast all over the world. We have the ability to custom build you just about any combination the way you want it. All our short blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. We never cut corners like others just to lessen the price.

Small Block Ford 331 Short Block
  • Molnar 4340 forged steel crankshaft (3.250 Stroke) **Internal Balance**
  • Molnar H-Beam connecting rods bushed fit pins
  • Diamond forged -7.7cc flat top pistons
  • High performance plasma moly piston ring set
  • ACL/Clevite 77 Rod and Main Bearings
  • Dura Bond cam bearings
  • Dura Bond finishing kit
  • Brass freeze plugs
  • Victor rear main seal
  • Dart SHP block Compression Ratio:
  • 58cc 10.0:1
  • 62cc 9.5:1
  • 66cc 9.1:1

    *Professionally Machined, Balanced, Assembled and blue printed in house by CNC-Motorsports. Balance card and blue print sheet will be provided to the customer. All short blocks are standard bore unless otherwise noted. We can custom build any short block assembly to meet your needs.
  • More Information
    CNC Part Number CNC-9409-MR
    Price $7,324.95
    Manufacturer's Part Number 9409-MR
    Brands Dart, Diamond, Molnar
    Part Types Short Block Engine
    Departments Parts
    Vehicle Make SB Ford
    Connecting Rod Manufacturer Molnar
    Crankshaft Manufacturer Molnar
    Piston Brand Diamond
    Piston Type Flat Top
    Block Material Cast Iron
    Block Brand Dart
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