
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- 383ci Rotating Assembly
- 2-piece rear main seal
- 4.040'' bore x 3.750'' stroke
- 5.700'' I-Beam Rod
- -7cc flattop KB pistons
- External Balance
- Flexplate/Balancer Included
Compression Ratios:
11.7:1 with 58cc
10.9:1 with 64cc
9.6:1 with 76cc
Performance Small Block Chevy Rotating Assemblies
These rotating assemblies are designed for pre-1986 small block Chevy with 2-piece rear main seals. They offer affordable performance and reliability for engines making less than 500 horsepower. Kits include an Eagle Cast Steel Crankshaft; Eagle "SIR" I-Beam Rods; Silvolite Cast, SRP, or Mahle Forged Pistons; Hastings Rings; and Clevite or King Bearings. Kits are available with internal or external balance.


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