Nitro Black Extreme Load Keyed Mechanical Roller Lifters For Big Block Chevy Engines On Center Pushrod Seat With .936 Inch Body And .850 Inch Roller Wheel

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The Nitro Black Mechanical Lifters Are Made From A Billet Body With A Pinned Axle And Have 9000 + Rpm Capability. The Nitro Black Lifters Have An Axle Diameter Of .470 Inch With Full Time Pressurized Oiling. The Nitro Black Lifter Series Has Diamond-Like Coating (Dlc) For Less Friction And Wear Durability. These Lifters Have The Carrying Capacity Of A 1 Inch Lifter. This Series Is Recommended For All Aluminum Block Applications That Do Not Have Lifter Bore Bushings. These Lifters Have A .750 Inch Diameter Roller Wheel For .842 Inch Body Lifters And A .810 Inch Roller For .903 Inch Body Lifters And .850 Inch For .936 Inch Body Lifters. These Lifters Have A Special Break-In Lube Between The Axle And Roller Wheel And Should Not Be Washed With Solvent Prior To Installation. These Lifters Also Require A Break-In Period Of 25-30 Minutes Varying The Rpm From 1800-2200 Rpm. Recommended Spring Pressure 150-400 Lbs Seat Pressure 550-1000 Lbs Open Pressure

• Billet Body With Pinned Axle And 9000 + RPM Capability
• Special Break-In Lube Between The Axle And Roller Wheel Should Not Be Washed With Solvent Prior To Installation
• These Lifters Have The Carrying Capacity Of A 1 Inch Diameter Lifter
• Diamond-Like Coating (DLC) For Less Friction, Wear And Durability
• Lifters Are Rebuildable
• Made In USA
• Recommended Spring Pressure 150-400 Lbs Seat Pressure And 550-1000 Lbs Open Pressure
• Requires A Break-In Period Of 25-30 Minutes Varying The RPM From 1800-2200 RPM
• Revolutionary Oil Wedge Design
• Special B624l Matrix Material Axle That Is .470 Inch Diameter With Full Time Pressurized Oiling