Manley Performance · New
Manley Chevrolet Small Block Forged Crankshaft - 3.875in Stroke
MPN 190480NB · Store SKU man190480NB
Supplier stock checked 11/7/2026, 7:52:37 AM 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
Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications. Manley Crankshaft, CRANK-4340 FORGE 3.875 STROKE Manley Crankshaft, 4340 FORGE 3.875 STROKE
Manufacturer fitment & guides
Check 190480NB against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y