• 4340 Material Forgings And Turbo Tuff Series 4340 Billet Material
• Multi-Step Heat Treatment Process And Nitrided For Added Strength
• Gun Drilled Mains And Lightened Rod Journals For Weight Reduction

Manley Performance continues to re-define itself in a high performance aftermarket industry that is constantly evolving. We've developed new products for growing markets such as sport compact, Ford modular and Chevy LS; as well as maintained our leadership role with the traditional V-8 engine business.