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

Lightweight Design, 4340 Billet Material: Manufactured from 4340 ?Turbo-Tuff? Billet material, ensuring durability and performance. Crank pin and counterweights are gun drilled for lightening and the counterweights are fully knife edged to ensure precise balance and stability.Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.Improved ?Direct Shot? Oiling Passages: Optimized oil passages for direct oiling from the main oil gallery to each main bearing ensuring bearing and journal longevity.

The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects.

For more information visit: www.P65Warnings.ca.gov