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Edelbrock 2263

Rollin' Thunder Hydraulic Roller Camshaft for 1965-1995 Big Block Chevy 500ci+ Mark IV & Gen V

Edelbrock 2263


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Estimated ship date 03/19/18 if Ordered Today
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Edelbrock 2263 Rollin' Thunder Hydraulic Roller Camshaft for 1965-1995 Big Block Chevy 500ci+ Mark IV & Gen V $294.95
Rollin' Thunder Hydraulic Roller Camshaft
  • 1965-1995 Big Block Chevy 500ci+ Mark IV & Gen V
  • Lift: .632''/.648''
  • Duration @ .050: 248°/256°
  • Advertised Duration: 308°/315°
  • 1500-6500 RPM Range

  • Edelbrock 2263 Details

    Big Block Chevy

    Cam Notes: This camshaft works great when matched with Victor Jr. intake manifold p/n 350-2902 and E-CNC cylinder heads p/n 350-79555; this combo produces 676 HP / 649 ft.-lbs. of torque. 1965-66 B/B Chevys require a groove be machined in the rear cam journal for oil pressure. Matching Edelbrock roller tappet lifter set p/n 350-97433
    Use with high stall torque converter only.

    Operating Range1500-6500 RPM
    Duration Advertised308° Intake/315° Exhaust
    Duration @ .050''248° Intake/256° Exhaust
    Lift @ Valve.632'' Intake/.648'' Exhaust
    Lift @ Cam.371'' Intake/.381'' Exhaust
    Lobe Separation Angle112°
    Intake Centerline109.5°
    Intake Timing @ .050" Open 14.5° BTDC
    Close 62.5° ABDC
    Exhaust Timing @ .050" Open 53.5° BBDC
    Close 13.5° ATDC

    Important Application Information:
    Rollin Thunder Hydraulic Roller cams are for street high-performance and racing applications only - not for heavy vehicles. Use with Edelbrock Performer RPM heads (or other aftermarket heads), adjustable valvetrain components, screw-in studs, high performance adjustable rocker arms and at least 9.5:1 compression ratio. Headers, high-energy ignitions, lower-than-stock rear gearing and a high-performance torque converter (in auto. transmission equipped vehicles) are necessary.

    INSTALLATION NOTES: Do not use late model timing chain and gear sets that are designed for emission-controlled engines. They are machined in a retarded position and are not recommended for this camshaft installation. Use Performer-Link Timing Chain Gear Set 350-7810, or Accu-Drive 350-7891.


    Intake Valve Lift (in.)
    RPM Range
    Int. Duration @ .050 in. (Deg)
    Exh. Duration @ .050 in. (Deg)
    Int. Duration Advertised (Deg)
    Exh. Duration Advertised (Deg)
    Lifter Type
    Hydraulic Roller
    Engine Make/Size
    Chevy Big Block Mark IV
    Exhaust Valve Lift (in.)
    Lobe Separation (Deg)
    Advertised Duration
    308 int./315 exh.
    Advertised Exhaust Duration
    Advertised Intake Duration
    Basic Operating RPM Range
    Cam Style
    Hydraulic roller tappet
    Computer-Controlled Compatible
    Duration at 050 inch Lift
    248 int./256 exh.
    Exhaust Duration at 050 inch Lift
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    Intake Duration at 050 inch Lift
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.629 int./0.643 exh.
    Valve Springs Required
    Manufacturer's Part Number:


    Edelbrock Rollin' Thunder Camshafts are designed to improve horsepower and torque, produce a great sounding performance idle and provide sufficient vacuum at idle to support power accessories. Compared to conventional flat tappet hydraulic cams, Rollin' Thunder Camshafts have more aggressive lift profiles without excessive valve overlap that can compromise low-RPM drivability (reduced friction provided by roller tappets makes this combination of accelerated valve lift and reduced duration possible). Edelbrock Rollin' Thunder Camshafts are performance matched to Edelbrock Total Power Package components for proven performance.

    Rollin' Thunder Camshaft Features
  • Performance: Higher lift velocity and faster valve action increase horsepower and torque
  • Drivability: Great-sounding idle with excellent vacuum at idle to support power accessories
  • Durability: A roller tappet's small surface area + reduced friction + stronger camshaft material (hardend steel or iron) = long camshaft life
  • Environmental: Can use ILSAC GF-4 oil, which lowers engine emissions and does not require zinc or phosphate oil additives
  • Economy: Reduced contact friction between the lifter and camshaft increases fuel economy for better mileage potential

    These complete cam kits feature an Edelbrock Rollin' Thunder Hydraulic Roller Camshaft and Edelbrock Hydraulic Roller Lifters and Pushrods that are dyno-matched for a trouble-free installation. Each kit includes: camshaft, hydraulic roller lifters, lifter guides, pushrods, and hold-down spider (1987-Later applications only). Kits offer great performance gains when matched with the rest of the Edelbrock Total Power Package.
  • Complete kit gives you everything you need to upgrade your camshaft
  • Virtually eliminate break-in problems (no special break-in required over flat tappet cams)
  • Higher lift velocity and faster valve action produce superior horsepower and torque
  • Get more horsepower and torque without sacrificing idle quality and manifold vacuum
  • Reduced friction improves fuel economy

  • Will this camshaft work with supercharged application?

    Asked by: CBell
    This cam has specs that are too big for a supercharged engine in a street car.
    Answered by: Rusty B
    Date published: 2018-03-09
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    *Not legal for sale or use on pollution-controlled motor vehicles