Drag Race Xtreme RX Mechanical Roller Camshaft Lift .873"/.800" Duration 318/338 RPM Range 5000-9000
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-11-739-9

Drag Race Xtreme RX Mechanical Roller Camshaft Lift .873"/.800" Duration 318/338 RPM Range 5000-9000

$50595
ShippingShips on 09/16/2026
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Chevy 396-454ci Big Block 1965-96
  • Xtreme RX
    • Drag Race Xtreme RX Mechanical Roller Camshaft
      Lift .873"/.800"
      Duration 318/338
      RPM Range 5000-9000

      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-Large Comp eliminator with high ratio & fast bracket 1.8 & 1.7

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


      Large Comp Eliminator with high ratio rockers and Fast Bracket, 1.8 and 1.7.

    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)300
    Cam StyleMechanical roller tappet
    Grind NumberCB 318RXD-14
    Exh. Duration Advertised (Deg)338
    Engine Make/SizeChevy Big Block (396-454)
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.873
    Int. Duration @ .050 In. (Deg)285
    Basic Operating Rpm Range5,000-9,000
    Intake Valve Lash0.024 in (0.61 mm)
    Intake Valve Lift0.873 in (22.174 mm)
    Computer-Controlled CompatibleNo
    Int. Duration Advertised (Deg)318
    Lobe Separation (Deg)114
    Rpm Range5000-9000
    Advertised Duration318 int./338 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.8
    UsageStrip
    Valve Lift With Factory Rocker Arm Ratio0.873 int./0.800 exh.
    Camshaft Gear Attachment3-bolt
    QuantitySold individually
    Exhaust Valve Lash0.026 in (0.66 mm)
    Exhaust Valve Lift0.8 in (20.32 mm)
    Advertised Intake Duration318
    Intake Duration At 050 Inch Lift285
    Exhaust Duration At 050 Inch Lift300
    Advertised Exhaust Duration338
    Lifter TypeMechanical Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift285 int./300 exh.
    Valve Springs RequiredYes
    Vendor Part Number11-739-9
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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