Engine Kits

Chevy Small Block 383 Stroker 1 PC Seal Balanced Rotating Assembly
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Scat Crankshafts

Chevy Small Block 383 Stroker 1 PC Seal Balanced Rotating Assembly



Part #: 1-91050BIE
List Price: $2,403.56
Our Price: $1,201.78
You Save: $1,201.78


Assemblies include:
  • Series 9000 cast crankshaft for 1pc rear main seal
  • 4340 Forged I beam connecting rods
  • Hypereutectic Flattop Pistons
  • Premium Moly Rings set
  • Quality Name Brand Rod and Main Bearings.
  • Includes External Flexplate.
  • Balanced!

Chevy SB 383 Cubic Inch
Stroke:3.75
Rod Length:5.7
Balance Type:Internal

Approximate Compression Ratios: 11.8:1 (58cc), 11.0:1 (64cc), 10.3:1 (70cc)

This assembly is not recommended for fuel injected applications.

Thanks for looking and remember to specify your bore size requirements in an email to us!

Picture is generic, this kit does not include a balancer.
Actual Engine CID 383
Assembly Lubricant Included No
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 5140 steel
Connecting Rods Included Yes
Crankshaft Included Yes
Crankshaft Material Cast iron
Engine Balance Internal/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 Kit includes flexplate. I-Beam rods include ARP 3/8 inch cap screw bolts.
Oil Pump Included No
Part Type Engine Rotating Kits
Piston and Ring Oversize (in) 0.030 in.
Piston Head Volume (cc) +7.00cc
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 1-piece
Rod Bearing Undersize (in) Stock
Rod Bearing Undersize (mm) Stock
Rod Bearings Included Yes
Timing Chain and Gears Included No
Wrist Pin Style Floating