Click to enlargeEagle 383 Forged Steel Crankshaft

Eagle 435037505700 Eagle ESP 4340 Chevrolet 383 forged steel crankshaft.

Commonly used to turn a 305 or 350 ci into a 383 with a 5.7" or 6.0" rod.

Designed for applications up to 1500 horsepower.

Stroke is 3.750.

Requires a minimum 5.700" rod length.

Bobweight is 1855.

Average crankshaft weight is 54 pounds.

Internally balanced.

Rod journals measure 2.100".

Main journals measure 2.449".

Two piece rear seal design.

Standard oiling design.

Has 6 flywheel bolt holes.

Snout diameter is 1.245".

TECH NOTE: Stock 350 stroke is 3.480" and the stock 350 rod length is 5.7".

TECH NOTE: Recommend MS909H main bearings and CB663H rod bearings.

Provides 377 cubic inches with a standard bore.

Provides 381 cubic inches with a .020 over bore.

Provides 383 cubic inches with a .030 over bore.

Provides 385 cubic inches with a .040 over bore.

Provides 388 cubic inches with a .060 over bore.

The Eagle ESP Forged 4340 steel crankshafts feature a non-twist forging.

Undergos a multi-stage heat treatment process as well as stress relieving, shot peening, and nitriding.

Magnafluxed and sonic tested to insure quality.

Every journal is micropolished to a 3 or better R.A. A 0.125 radius is used to increase strength, so chamfered bearings must be used.

All rod throws feature lightening holes to reduce weight.

Target bobweight is +/-2%.

Eagle 435037505700 Chevrolet 383 stroker forged steel crankshaft 3.750 stroke EAGLE-435037505700$649.97

Click to enlargeH-beam connecting rods for Eagle 435037505700 crank
Eagle CRS5700B3D Chevrolet small block 350 connecting rods.

This is the matching rod set for the Eagle 435037505700 crankshaft shown above.

The perfect choice for engines up to 700 horsepower.

Feature the stock 5.700" length.

Weights in at 630 grams.

Includes 0.927" piston pins. Bushed pin fit.

Rod journal size is 2.100 in.

Housing bore size is 2.2250 in.

Big end width is 0.9400 in.

Pin end width is 1.0600 in.

Thickness above pin: 0.180 in.

Eagle ESP H-Beam connecting rods are forged from 4340 steel.

Features 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.

Multi-stage heat treated, magna-fluxed, and sonic tested.

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.

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!

Sold as a set of 8 Eagle ESP H-Beam connecting rods.


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