Eagle Chevrolet 350 LW 3.480in Stroke Forged 4340 Lightweight Steel Crankshaft
Eagle Chevrolet 350 LW 3.480in Stroke Forged 4340 Lightweight Steel Crankshaft
Description
Eagle Chevrolet 350 LW 3.480in Stroke Forged 4340 Lightweight Steel Crankshaft
Eagle featherweight forged 4340 steel Cranks feature a non-twist forging, lightweight counterweight design to reduce rotating weight, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for restricted-class competition use. Lightweight rods and pistons required for ease in balancing.
Additional Information
Forged 4340 LIGHTWEIGHT Steel Crank - CHEVROLET 305/350.
Application Summary
CHEVY 350
Part Type
Engine Crankshaft
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:07:30
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Eagle, Eagle Specialty Products |
| StreetFX SKU | eag4350348057LW |
| SFX Item ID | 4056450 |
| Accounting SKU | eag-4350348057LW |
| Manufacturer SKU | 4350348057LW |
| Manufacturer UPC | 793348008608 |
| Alternative References | ESP-4350348057LW |
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Eagle Specialty Products lightweight 4340 crankshafts offer strength, durability, and lighter weight at competitive prices. These non-twist forged crankshafts pass through a multi-stage heat-treatment process and are magnafluxed and sonic-tested to ensure quality. Each journal is micro-polished and a radius of .125 in. is used to increase strength, as the lightening holes in every rod throw reduce weight. Eagle Specialty lightweight crankshafts bring you unsurpassed quality and weigh only 48 to 49 lbs.
| Product Attributes | |
|---|---|
| Brand | Eagle Specialty Products |
| Manufacturer's Part Number | 4350348057LW |
| Part Type | Crankshafts |
| Product Line | Eagle Lightweight 4340 Crankshafts |
| UPC | 793348008608 |
| Engine Stroke (in.) | 3.480 in. |
| Crankshaft Material | Forged 4340 steel |
| Engine Balance | Internal |
| Rear Main Seal Style | 2-piece |
| Lightened | Yes |
| Requires Narrow Bearings | Yes |
| Rod Bearings Included | No |
| Main Bearings Included | No |
| Rod Journal Diameter (in.) | 2.100 |
| Main Journal Diameter (in.) | 2.448 in. |
| Balancer Bolt Thread Size | 7/16 in.-20 |
| Crankshaft Snout Style | Standard |
| Weight | 49.000 lbs. |
| Quantity | Sold individually. |
| Notes | 1,750 bobweight. |
Compatibility
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