Home / Shop / Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft

Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft

SKU: EAG439637676135

Crankshafts

EAG Crankshafts - 8 Cyl...

Eagle

Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft

SKU: EAG439637676135

Crankshafts

EAG Crankshafts - 8 Cyl...

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Description

Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft

Eagle forged 4340 steel center-counterweighted Cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.

Additional Information

Forged 4340 Steel Crank - Chevrolet 396/427, CENETER COUNTERWEIGHTED.

Application Summary

CHEVY 396

Part Type

Engine Crankshaft

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:04:14

Data: v4.2 - Upd: 2026-11-07 19:55:36

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Balance Type:	Internal
Crankshaft Stroke:	3.766 in
Description:	Eagle Chevy Big Block 3.766in Stoke - Internal Balance - CCW - Forged 4140 Steel Crankshaft
Flywheel Bolt Count:	6
Flywheel Register Diameter:	call
Intended Balance:	Internal
Main Journal Diameter:	2.749
Main Journal:	2.749 in
Material:	Forged 4340 Steel
Minimum Rod Length:	6.135 in
Part Number:	eag439637676135
Pilot Bore Diameter:	1.094 in
Rear Seal Diameter:	call
Rod Journal Width:	2.000 in
Rod Journal:	2.200 in
Snout Diameter:	1.6 in.
Target Bobweight:	2350g
Title:	ESP 4340 Crank Chevy 396 3.766 in Stroke CCW

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s	Eagle, Eagle Specialty Products
StreetFX SKU	eag439637676135
SFX Item ID	4053356
Accounting SKU	eag-439637676135
Manufacturer SKU	439637676135
Manufacturer UPC	793348202044
Alternative References	ESP-439637676135