Drag Race Xtreme RX Mechanical Roller Camshaft Lift .292"/.320" Duration 322/360 RPM Range 4800-8500
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-11-743-9

Drag Race Xtreme RX Mechanical Roller Camshaft Lift .292"/.320" Duration 322/360 RPM Range 4800-8500

$55895
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Chevy 396-454ci Big Block 1965-96
  • Xtreme RX
    • Drag Race Xtreme RX Mechanical Roller Camshaft
      Lift .292"/.320"
      Duration 322/360
      RPM Range 4800-8500

      DRAG RACE Xtreme RX Rollers - These camshafts use COMP's new RX Drag roller profiles to give more lift, more area under the curve and shorter seat timing than any other high RPM drag racing series we have offered. Great for all out drag racing applications such as Competition Eliminator, Fast Bracket, Quick 16, Nitrous and Heads Up applications.Mechanical Roller-Pro Mod & Mountain motor applications

      Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


      Pro Mod and Mountain motor applications.

    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
    BrandCOMP CAMS
    Package Height2.75
    Package Width3.0
    Package Length24.5
    Weight10.0 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)320
    Cam StyleMechanical roller tappet
    Grind Number322RXH-18
    Exh. Duration Advertised (Deg)360
    Engine Make/SizeChevy Big Block (396-454)
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.878
    Int. Duration @ .050 In. (Deg)292
    Basic Operating Rpm Range4,800-8,500
    Intake Valve Lash0.024 in (0.61 mm)
    Intake Valve Lift0.878 in (22.301 mm)
    Computer-Controlled CompatibleNo
    Int. Duration Advertised (Deg)322
    Lobe Separation (Deg)118
    Rpm Range4800-8500
    Advertised Duration322 int./360 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.867
    UsageStrip
    Valve Lift With Factory Rocker Arm Ratio0.878 int./0.867 exh.
    Camshaft Gear Attachment3-bolt
    QuantitySold individually
    Exhaust Valve Lash0.026 in (0.66 mm)
    Exhaust Valve Lift0.867 in (22.022 mm)
    Advertised Intake Duration322
    Intake Duration At 050 Inch Lift292
    Exhaust Duration At 050 Inch Lift320
    Advertised Exhaust Duration360
    Lifter TypeMechanical Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift292 int./320 exh.
    Valve Springs RequiredYes
    Vendor Part Number11-743-9
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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