Comp Cams  Magnum  Mechanical Flat Tappet Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-51-244-4

Comp Cams Magnum Mechanical Flat Tappet Camshafts

$30995
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Pontiac 265-455ci 8-cyl. 1955-1981
    Magnum 270S Mechanical Flat Tappet Camshaft
    Lift:.468"/.468"
    Duration:270°/270°
    Lobe Separation Angle:110°
    RPM Range:1800-5800

    Good idle strong mid-range torque. Excellent cam for mild street engines.
    Operating Range:1800-5800 RPM
    Duration Advertised:270° Intake / 270° Exhaust
    Duration @ .050' Lift:224° Intake / 224° Exhaust
    Valve Lift:.468' Intake / .468' Exhaust
    Lobe Separation Angle:110°

    Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;


    Good idle, strong mid-range torque. Excellent cam for mild street engines.

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
Weight8.94 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleMechanical flat tappet
Grind Number270S
Exh. Duration Advertised (Deg)270
Engine Make/SizePontiac 265-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.468
Int. Duration @ .050 In. (Deg)224
Basic Operating Rpm Range1,800-5,800
Intake Valve Lift0.468 in (11.887 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)110
Rpm Range1800-5800
Advertised Duration270 int./270 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.468
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.468 int./0.468 exh.
QuantitySold individually
Exhaust Valve Lift0.468 in (11.887 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift224
Advertised Exhaust Duration270
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift224 int./224 exh.
Valve Springs RequiredYes
Vendor Part Number51-244-4
Package Qty1
Package TypeEA
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