Light Forged S/B Chevy Assembly, 383 Flat Top, 6 Inch Rods

Our lightweight forged rotating assembly engine rebuild kits include a 45-46 lb. Scat Superlight 4340 forged 2-pc rear main seal internally balanced crankshaft, Scat 4340 forged I-beam connecting rods and Mahle pistons complete with wrist pins, locks and rings. Rod and main bearings included. Standard size journals.

Kit includes balancing which is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience.  A kit will ship in 24-48 hours.

 

 

Item Details

Flat top, 406 g
Comp. 64cc: 11.3
Ring Style: E

Kit includes:

• Scat 4340 Lightweight Forged Steel Crankshaft
  • Standard size journals
  • Profiled aero-wing counterweights
  • Pendulum cut to reduce rotating mass
  • Straight shot and chamfered oil holes
  • Nitride hardened and shot peened
  • Lightening holes in all rod throws
  • Large radius on all journals
• Scat Pro Comp 4340 I-Beam Rods
  • Stroker clearanced
  • ARP 7/16 " cap screw bolts
  • Bushed pin
  • Set of 8 rods
  • 6.0 " rod: 629 grams
  • Crank pin: 2.100 "
  • Wrist pin: .927 "
  • B.E. width: .940 "
• Mahle PowerPak Forged Pistons
  • Lightweight slipper skirt design
  • Phosphate coated
  • Grafel anti-friction skirt coating
  • 4.000 " bore pistons available in standard, .030, .040, or .060 sizes
  • 4.125 " bore pistons available in standard, .030 or .040 sizes
  • Set of 8 pistons
  • Includes low drag rings, lightweight wrist pins and round wire locks
• King HP Series Main and Rod Bearings
  
  • 0.015 " thick top layer for superior macro particle embedability and conformability
  • 40 Vickers hardness to resist overlay migration and extrusion
  • 450°F heat threshold for superior protection against friction and overheating
  • Mains are 3/4 grooved for improved oiling to the rod journals
  • Bi-metal aluminum silicon alloy featuring fine micro-bore finish