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Scat Engine Components 4-340-4000-6123 Forged 4340 Steel Crankshaft 4.000" Stroke Small Block Mopar 340

Manufacturer

Picture for manufacturer Scat Engine Components

Part Number

4-340-4000-6123
5 reviews
Sale Price

$1,016.54

4 left at this price

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Usually delivered within 2 days

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Product Details

The Scat Engine Components 4-340-4000-6123 is a premium forged 4340 steel standard weight crankshaft engineered for Small Block Chrysler 340 stroker engines with substantially increased horsepower. Built from aircraft-quality 4340 steel, this crankshaft delivers exceptional strength and durability for both street and race applications.

Key Specifications:

  • Stroke: 4.000 inches
  • Main Journal Diameter: 2.500 inches
  • Rod Journal Diameter: 2.125 inches
  • Rod Length: 6.123 inches or longer
  • Balance: Internal balance
  • Seal Type: 2-piece seal
  • Weight: Approximately 58 lbs

Premium Construction Features:

  • Precision CNC-machined from forged 4340 steel for superior strength
  • Heat-treated and shot-peened for enhanced fatigue resistance
  • Micro-polished for superior tolerance control and surface finish
  • Nitride-hardened journals for exceptional wear resistance
  • Straight-shot and chamfered oil holes for optimal lubrication
  • Lightening holes in all rod throws to reduce rotating weight
  • Large radius on all journals for improved strength and durability

This crankshaft is designed for Small Block Mopar 340 stroker builds and features internal balance configuration. The precision manufacturing process ensures exceptional dimensional accuracy and symmetry, making balancing easier and more precise. Each crankshaft is thoroughly inspected to meet Scat's exacting quality standards.

Autoplicity was great, I ordered my springs late Monday night and I received a shipment order confirmation number early Wednesday. So basically 1 business day and my order was out the door, pretty impressive. Can't wait 'till it gets here! Thanks Autoplicity!

great

Best price I could find after hours of searching, I recommend 100%!!!

They had the best price on a hitch I was looking for and the shipping was fast also. The hitch was shipped bare except for taping the box of bolts to it thus leaving the hitch open and chipping the paint/powdercoating in quite a few places which I had to touch up before installing.

Easy to use website. The belts I ordered didn't have a picture but I knwew what I was looking for.

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