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Scat Competition Forged 406 Rotating Assembly, 400 main, 2rms

Starting at: $1,419.00

Scat 4340 Forged Competition Rotating Assembly

-Scat 4340 3.75" Forged Crankshaft, 400 main

-Scat 4340 Premium 5.7" I-beam Connecting Rods w/ 7/16" capscrew

-KB Forged FT Pistons, 11.6:1 w. 64cc head

-Plasma Moly Rings

-Rod and Main bearings

We've run these crankshafts past 1200hp without failure!

H-beam rods and upgraded bolts are available as options.

Diamond, JE SRP, JE, Ross and CP pistons also available. Matching rings and bearings are also available. Please specify overbore.


Add to Cart:

  • Model: 1-41255
  • Shipping Weight: 85lbs
  • 99 Units in Stock
  • Manufactured by: Scat Enterprises

Please Choose:



Rear Main





Piston Type (Ft, Dish, Dome)






Cylinder Bore Size

Bore Size







Balancing Labor






This product was added to our catalog on Tuesday 13 September, 2005.