Made in USA
22321 High Performance Camshaft GM SBC 4.3L, 4.3L, 4.6L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, 6.6L
InfoVehicle Info Needed
MELLINGPART NUMBER: 689-22321

22321 High Performance Camshaft GM SBC 4.3L, 4.3L, 4.6L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, 6.6L

$39799
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

High Performance Camshaft
  • GM SBC 4.3L, 4.3L, 4.6L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, 6.6L

    Melling 22321 Features:

    Class III camshaft (230°-245°). Rough idle quality. Good mid to high rpm torque and horsepower. For use with manual transmission or high stall automatic. May need improved carb, exhaust system, and ignition system. Combination street and drag. Will have lower vacuum than stock. Melling offers a full line of high perform ance camshafts for domestic cars, light trucks, import vehicles, marine and high performance engines. Melling offers specific high performance camshaft choices for street, RV, strip and circle track racing applications. Melling camshafts supply the performance to suit your horsepower and torque requ irements wherever and whenever you want it. Melling high performance camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials.

    • Designed for use with factory roller blocks
    • A Melonized Distributor Gear Must Be Used
    • Advertised Exhaust Duration: 303 DD
    • Advertised Intake Duration: 283 DD
    • Basic Operating RPM Range: 2000
    • Basic Operating RPM Range: 5800
    • Cam Type: Hydraulic Roller
    • Computer Controlled Compatible: No
    • Exhaust Duration at .050 inch Lift: 241 DD
    • Exhaust Valve Lift: 0.498 in.
    • Grade Type: Performance
    • Intake Duration at .050 Inch Lift: 227 DD
    • Intake Valve Lift: 0.513 in.
    • Lifter Type: Hydraulic Roller
    • Lobe Separation: 105 DD
    • Material: Billet Steel

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeCamshaft
    BrandMELLING
    Package Width8.89
    Weight8.89 PG
    Part CategoryPerformance Parts
    Intake Duration At .050 Inch Lift227 DD
    Lobe Separation105 DD
    MaterialBillet Steel
    Exhaust Valve Lift0.498 in.
    Advertised Intake Duration283 DD
    Basic Operating Rpm Range2000
    Intake Valve Lift0.513 in.
    Exhaust Duration At .050 Inch Lift241 DD
    Advertised Exhaust Duration303 DD
    Lifter TypeHydraulic Roller
    Part FitmentDirect Fit
    Computer Controlled CompatibleNo
    Cam TypeHydraulic Roller
    Grade TypePerformance
    Vendor Part Number22321
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
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