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Scat Competition Forged 383, Fully Forged, Balanced, Complete

Starting at: $1,499.00

Scat 4340 Forged Competition Rotating Assembly - Complete kit, fully forged, balanced with rings & bearings

  • Scat 4340 3.75" Forged Crankshaft, 350 main, 2 piece 4-350-3750-6000
  • Scat 4340 Premium 6.0" I-beam Connecting Rods w/ ARP 7/16" capscrew, bushed 2ICR6000-7/16
  • KB Icon FORGED Flat Top Pistons Pistons, 11:1 w/ 64cc head
  • Clevite Performance Rod & Main Bearings
  • Plasma Moly Rings (Manufactures choice, generally Perfect Circle or Total Seal)
  • ***Internally Balanced*** This kit is balanced at Scat and requires no additional balance work before assembly
  • Scat PN: 1-40755BI +30

We've run these crankshafts past 1200hp without failure, the rods I-beam rods are rated to 700hp and this is a forged piston!

H-beam rods, upgraded ARP rod bolts, lightweight crankshafts and various pistons are available as options.

Please specify bore size when ordering.


Add to Cart:

  • Model: 1-40755BI
  • Shipping Weight: 85lbs
  • 85 Units in Stock
  • Manufactured by: Scat Enterprises

Please Choose:





Rod Length



Piston Type (Ft, Dish, Dome)






Cylinder Bore Size

Bore Size









This product was added to our catalog on Wednesday 01 February, 2012.