Level 1 indicates a good stock replacement camshaft. Level 1 | Level 2 | Level 3 | Level 4 | Level 5 Stock Vacuum Rule | Street Roller | Supercharger | Turbomaster | Ultra-Action Inrad | Marine | Monarch | Pro-Street | Short Track | Stock Lift Rule 220 High RPM | 230 High RPM | 290 High Rocker Ratio | 310 Oval Trackģ50 Series (High Lift) | 390 Low Rocker Ratio Roller | 390 Ball Nose Hydraulic | 420 Seriesīeast | Compu-Pro | EFI, Forced Induction & NOS | Hi-Draulic Hauler The higher lift rates will provide the explosive power that is needed for most racing situations. A higher lift rate will RPM less, needs more spring pressure and lighter valve train components. The lower lift rates will reach higher RPM, provide more durability, need less spring pressure and less valve train modification to lighter components. The lower number "220" indicates a smoother lift rate where the "420" number is a faster lift rate profile.
Hydraulic Flat Tappet | Hydraulic Roller | Mechanical Flat Tappet | Mechanical RollerĪll of our numbered series are named for their lift rates or lobe acceleration. Nissan-Infiniti | Oldsmobile | Pontiac | Subaru | Toyota-Lexus | Volkswagen To get the best performance for your application, the camshaft profile must match your head and valve train components.ĪMC | Buick | Chevy | Ford | Holden | Honda | Mitsubishi | Mopar/Dodge/Chrysler The profile you choose determines where your maximum horsepower and torque will occur. Camshafts use a combination of separation angles, lift, duration and lobe acceleration/ramp rates to create what is called a cam profile. Camshafts are the most critical part of your engine’s performance.
How to send in your clutch for RecertificationĬrower has been designing and grinding hot-street and cutting-edge full race profiles for over 50 years.Enduro Stainless Steel Stud Mount Rockers.
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