This is Manley's "Turbo Tuff" Series crankshaft and is considered the bad boy of crankshafts. It's a 4340 Billet crank shaft and it designed to be used for High Horsepower / High Boost Applications. This is in the STD 88mm Stroke.
4G63 / 4G64 -
Mitsubishi 4G63/4G64 7 Bolt CrankshaftsFully Machined "Turbo Tuff Series" Billet For High Horsepower / High Boost Applications
- 4340 Billet
- Multi-step heat treatment process
- Stress Relieved and Shot Peened
- Nitrided
- 100% Magnafluxed
- Special teardrop diagonal oiling
- Knife-edged counterweights
Manley Turbo Tuff Series Billet Mitsubishi crankshafts now feature uniquely designed, ultra-lightweight, fully contoured counterweights resulting in reduced windage and maximum performance.
