Eagle · New
Eagle Chevrolet 4.125in Stroke Internal Balance Forged 4340 Steel Crankshaft
MPN 435041256000 · Store SKU eag435041256000
Supplier stock checked 11/7/2026, 3:38:55 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
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. Intended for the most demanding applications. Forged 4340 Steel Crank - Chevrolet 305/350, 4.125" Stroke, INTERNAL BALANCE. 4340 CRANK CHEVY 4.125" STROKE
Manufacturer fitment & guides
- NA
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y