Engine Kits

Chevy SB 383 2 PC Rear Seal Ext Balanced Rotating Assembly
Click On Image To Enlarge
Scat Crankshafts

Chevy SB 383 2 PC Rear Seal Ext Balanced Rotating Assembly

Part #: 1-92000BE
List Price: $1,799.98
Our Price: $899.99
You Save: $899.99

Assemblies include:
  • Series 9000 cast crankshaft
  • 4340 Forged I beam connecting rods with ARP 3/8" Cap Screws
  • Hypereutectic Flattop Pistons
  • Premium Moly Ring set
  • Rod and Main Bearings 
  • Includes Balancer
  • Includes flexplate
  • Completely External Balanced too!


Chevy SB 383 Cubic Inch
Rod Length:5.7
Balance Type:External

Approximate Compression Ratios: 12.1:1 (58cc), 11.0:1 (64cc), 10.0:1 (70cc)

Shipping will be delayed a few days for machine work.

Thanks for looking.  Make sure to email your bore size requirements!

Actual Engine CID 383
Assembly Lubricant Included No
Balance Style External
Balanced Yes
Bore (in) 4.030 in.
Bore (mm) 102.362mm
Brand SCAT Engine Components
Cam Bearings Included No
Camshaft Included No
Connecting Rod Beam Style I-beam
Connecting Rod Material Forged 4340 steel
Connecting Rods Included Yes
Crankshaft Included Yes
Crankshaft Material Cast iron
Engine Balance External
Engine Stroke (in) 3.750 in.
Gaskets Included No
Lifters Included No
Main Bearing Undersize (in) Stock
Main Bearing Undersize (mm) Stock
Main Bearings Included Yes
Notes Includes flexplate and harmonic balancer. Connecting rods include 3/8 in. ARP cap screw bolts.
Oil Pump Included No
Part Type Engine Rotating Kits
Piston and Ring Oversize (in) 0.030 in.
Piston Head Volume (cc) +5.00cc
Piston Material Hypereutectic aluminum
Piston Ring Facing Material Plasmamoly
Piston Rings Included Yes
Piston Style Flat top, with two valve reliefs
Pistons Included Yes
Plastigage Included No
Product Line Scat Engine Rotating Assemblies
Quantity Sold as a kit.
Rear Main Seal Style 2-piece
Rod Bearing Undersize (in) Stock
Rod Bearing Undersize (mm) Stock
Rod Bearings Included Yes
Timing Chain and Gears Included No
Wrist Pin Style Press-fit