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Eagle Lightweight 4340 Crankshafts 4350348057LA
Part Number: ESP-4350348057LA
Eagle Lightweight 4340 Crankshafts
Crankshaft, 2-Piece Seal, Internal, Steel, 3.480 in. Stroke, 1.245 in. Dia. Std. Snout, 1.9 Rod Journal Width, 2.431 in. Rear Seal, Chevy, 350, Each
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Estimated Ship Date from GA, TX: Monday 10/26/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
4350348057LA
Part Type:
Product Line:
Summit Racing Part Number:
ESP-4350348057LA
UPC:
793348008400
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.
Eagle Lightweight 4340 Crankshafts
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.
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Some parts are not legal for use in California or other states with similar laws / regulations
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