Drag Race Xtreme RX Mechanical Roller Camshaft Lift .285"/.312" Duration 318/352 RPM Range 5200-9200
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COMP CAMSPART NUMBER: 249-11-742-9

Drag Race Xtreme RX Mechanical Roller Camshaft Lift .285"/.312" Duration 318/352 RPM Range 5200-9200

$55895
ShippingShips on 09/15/2026
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Chevy 396-454ci Big Block 1965-96
  • Xtreme RX
    • Drag Race Xtreme RX Mechanical Roller Camshaft
      Lift .285"/.312"
      Duration 318/352
      RPM Range 5200-9200

      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-Very large cubic in and Nitrous 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


      Very large cubic inch and nitrous 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
    UsageStrip
    Intake Valve Lift0.463 in (11.76 mm)
    Int. Duration Advertised (Deg)318
    Exh. Duration @ .050 In. (Deg)312
    Rpm Range5200-9200
    Lifter TypeMechanical Roller
    Exh. Duration Advertised (Deg)352
    Engine Make/SizeChevy Big Block (396-454)
    Int. Duration @ .050 In. (Deg)285
    Exhaust Valve Lift0.81 in (20.574 mm)
    Vendor Part Number11-742-9
    Package Qty1
    Package TypeEA
    No Questions
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