Click to enlargeOldsmobile 455 Cast Steel Crankshaft


Eagle 104554260 Eagle Oldsmobile 455 crankshaft.

Recommended in applications up to 700 horsepower.

Made of cast steel.

Stroke is 4.250".

Rod journal size is 2.499".

Rod journal width is 1.885".

Main journal size is 3.000".

Minimum required rod length is 6.735".

Approximate weight is 74 lbs.

Two piece rear seal design.

Has 6 flywheel bolt holes.

Feature OE internal balance.

TECH NOTE: Recommend MS804P main bearings and CB542P rod bearings.

Eagle ESP cast steel crankshafts offer an excellent alternative to reworking a factory cast crankshaft. They are manufactured with a 0.092" radius on all journals, rear seal and snout for added strength while still using OE style bearings. Each crankshaft is inspected for dimension, size and stroke accuracy. Target bobweight is +/-2%.

Eagle 104554260 Eagle Oldsmobile 455 cast steel crankshaft Olds 455 crankshaft EAGLE-104554260$524.97

Click to enlargeOlds 455 connecting rods Eagle CRS673503D
Oldsmobile 455 connecting rods by Eagle CRS6735O3D.

These are the matching Eagle ESP Oldsmobile 455 big block connecting rods for use with the crankshaft shown above.

Eagle ESP connecting rods are the perfect choice for engines up to 900 horsepower.

Features the stock 6.735" length.

Bushed pin fit.

Weight in at 820 grams each.

Rod journal size is 2.499".

Housing bore size is 2.6252".

Pin size is 0.980".

Big end width is 0.9319".

Pin end width is 1.1250".

Thickness above pin is 0.240".

Sold as a set of 8 connecting rods.

Eagle ESP H-Beam connecting rods are forged from 4340 steel and utilize 7/16" ARP 8740 bolts with precision alignment sleeves that locate the rod cap to help maintain big end bore size and eliminate cap walk. Packaged in a weight-matched set (+or- 1 gram). Sizing is done on the state of the art Sunnen Krossgrinding system. All Eagle ESP Connecting Rods are multi-stage heat treated, magna-fluxed, and sonic tested. The Eagle ESP series connecting rods are manufactured from a two-piece forging. The forging process forces the grain into the shape of a connecting rod, resulting in a superior fatigue life. The rod cap is forged separately so that the grain runs perpendicular to the load forces, which strengthens the rod. Also, a higher content of nickel and chrome is used, which increases the strength and fatigue life without making the rod brittle. Extensive testing has proven the Eagle two-piece forging to be superior to any one-piece forging on the market!

Click to enlargeOldsmobile 455 main and 455 rod bearings
Oldsmobile 455 main and rod bearings for use with the crankshaft and connecting rods shown above.

Clevite 77 main bearings MS804P standard size.

Clevite 77 rod bearings CB542P standard size.


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