Stage 4; High Performance; Chromoly Retainers And Dual Springs; No Warranty
Melling camshafts supply the performance to suit your horsepower and torque requirements wherever and whenever you want it. Melling high performance camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials. Listed below is a group classification for the high performance camshafts (the durations shown are based on .050 cam lift). The descriptions within each group show the characteristics of the cams in that group as well as any recommended modifications to the car or engine that will help get the desired performance.
Heavy Duty / Performance Classifications
Class / Stage 1
Class / Stage 2
Class / Stage 3
Class / Stage 4
Idle Quality:
Good
Fair
Rough
Rough
Torque / Horsepower:
Low RPM torque and mid-range horsepower
Good low to mid-range torque and horsepower
Good mid to high RPM torque and horsepower
Mid to high RPM torque and horsepower
Stock / Modified Engine:
Will work with stock or slightly modified engine
Will work with stock or modified engine
May need improved carb, exhaust and ignition systems
Need proper selection of rear axle ratio and improvements in carburation and exhaust systems
Transmission:
Manual or Auto transmission
Manual or Auto transmission
Manual or high stall auto transmission
Manual transmission or automatic with a very high stall converter
Vacuum:
Stock
Possibly lower vacuum than stock
Will have lower vacuum than stock
Will not have enough vacuum for power accessories
Power Range:
1200 - 4000 RPM
2000 - 4800 RPM
2200 - 5600 RPM
3200 - 6500 RPM
Duration (based on .050 cam lift):
200° - 215°
215° - 230°
230° - 245°
Over 245°
Best For:
Towing / Plowing / RVs
Street-Legal Hod Rods
Combination Street / Drag Racing
Serious Racing
Quantity
Components that come in this kit
1
Camshaft
MELLING22412Stage 4; High Performance; No WarrantyInfo
RPM Range: 2000-6500; 3 Bolt NON VVT; 110 Degrees Of Lobe Separation; Intake Duration At .050 Lift: 236; Exhaust Duration At .050 Lift: 246; Non Active Fuel Management Engine; Hydraulic Roller; 0.612 IN Intake Valve Lift; 0.612 IN Exhaust Valve Lift
151 Pounds at 1.800 Inches; 417 Pounds at 1.15 Inches; Spring Rate: 409 Pounds; Max Lift: 0.650 Inches; Solid Height: 1.080 Inches; 1.304 Inch Out Side Spring O.D.; 0.670 Inner Spring I.D.
MELLING 466594
16
Valve Spring Retainer
MELLING475274High Performance; Hardened Steel; No WarrantyInfo
For Use w/ Dual Springs
MELLING 475274
16
Push Rod
MELLING500704High Performance; Chrome Moly Steel; No WarrantyInfo
Heavy Duty / Performance Classifications
