Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Manley Performance / New

Manley Subaru EJ20/EJ25 4340 Billet 79mm Stroke Turbo Tuff Series Crankshaft

Manley Performance · New

Manley Subaru EJ20/EJ25 4340 Billet 79mm Stroke Turbo Tuff Series Crankshaft

MPN 190040B · Store SKU man190040B

$2,201.10
IN STOCK1 ready to ship

Supplier stock checked 11/7/2026, 8:48:45 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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

Manley Turbo Tuff® Billet Crankshafts deliver uncompromising strength, precision, and reliability for high-horsepower and high-boosted applications. Machined from premium 4340 Turbo Tuff® billet material, each crank features gun-drilled pins and fully knife-edged counterweights for reduced weight and superior balance. A multi-step heat treatment and nitriding process maximize durability, while stress relief, shot peening, and 100% magnaflux inspection ensure flawless quality. Manley Crankshaft, CRANK-4340 79mm STROKE Manley Crankshaft, 4340 79mm STROKE

Manufacturer fitment & guides

Check 190040B 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
More from Manley Performance ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.