Eagle · New
Eagle SBC 2Pc 3/16in Keyway 3.750in Stroke Big Block Snout Forged 4340 Steel Crankshaft
MPN 4350375057B1 · Store SKU eag4350375057B1
Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.
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Product details
Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Big-block snout for added strength in supercharged applications. Forged 4340 Steel Crank - Chevrolet 305/350, 3.750" Stroke, Big Block SNOUT, ADDITIONAL 3/16" KEYWAY. 4340 Crank Chevy 350 2PC 3.750" BBC SNOUT
Manufacturer fitment & guides
- CHEVY 350
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y