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Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft Eagle EAG10350375057I
Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft Eagle EAG10350375057I
Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft Eagle EAG10350375057I
Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft Eagle EAG10350375057I
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Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft

Eagle
EAG10350375057I
793348000848
Crankshafts
Out of stock
$ 444.99

SKU: 10350375057I | UPC: 793348000848

Eagle Chevrolet 1955-1986 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crankshaft

Eagle cast crankshaft upgrades Chevrolet 305 and 350 small block engines with 2-piece rear main seals from 1955 to 1986. The 3.75-inch stroke and internal balance deliver reliable 383 stroker builds for everyday street driving with strong torque gains. Larger .092-inch fillet radii add strength alongside OE replacement bearings in pump-gas setups.

Key Features

  • Cast Iron Construction: Builds a strong base for daily driven engines and moderate horsepower levels.
  • 3.75-Inch Stroke: Boosts displacement in 305/350 blocks to produce more torque and power on the street.
  • Internal Balance: Fits directly without adding weights to flexplate or harmonic balancer.
  • 2-Piece Rear Seal: Matches original design in pre-1986 small block Chevy engines.
  • .092-Inch Fillet Radii: Increases durability over stock cranks using standard bearings.

Product Notes

  • Best suited for pump-gas naturally aspirated non-competition road cars.
  • Standard journal sizes: 350 mains (2.448/2.449-inch) and 2.100-inch rods.
  • Heavy precision-machined part ships in protective oversize box.

Installation Notes

  • Professional installation recommended.
  • Balance complete rotating assembly including pistons rods and flexplate.
  • Uses standard SBC hardware and main studs.

This Part Fits

Year Make Model Submodel
1967-1981 Chevrolet Camaro All
1963-1982 Chevrolet Corvette Stingray
1964-1972 Chevrolet Chevelle SS
1962-1979 Chevrolet Impala All
1968-1974 Chevrolet Nova All
1960-1987 Chevrolet C/K Pickup All
1955-1986 Chevrolet Small Block V8 262-400 CID 2pc Seal

Why Choose Eagle?

  • Established leader in aftermarket engine components for Chevy builds.
  • Cast design delivers value with performance gains over factory parts.
  • Precision machined for consistent results in street engine projects.

Frequently Asked Questions

  • Q: Will this crankshaft fit 1986 and newer small block Chevy engines?
    A: Designed for 1955-1986 blocks with 2-piece rear main seals. Later one-piece seal blocks require different cranks.
  • Q: What journal sizes and material does it use?
    A: Cast iron with standard 350 main journals (2.448-2.449 inches) and 2.100-inch rod journals for direct bolt-in.
  • Q: What warranty applies and installation tips?
    A: Backed by Eagle limited warranty. Always degree cam and balance assembly during install.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Oversize box 28in L x 16in W x 10in H
  • Weight: 59 lbs

Request For Information

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