Xtreme Energy 274H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .520" /.523" Duration: 274°/286° RPM Range: 1800-6000
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL42-224-4

Xtreme Energy 274H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .520" /.523" Duration: 274°/286° RPM Range: 1800-6000

$39795
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Oldsmobile 260-455 c.i. 8 cyl. 1967-1990
    Xtreme Energy 274H Hydraulic Flat Tappet Camshaft & Lifter Kit
    Lift: .520''/.523''
    Duration: 274°/286°
    RPM Range: 1800-6000


    Hi Performance street, very strong hid-range headers & mild stall converter recommended.

    Olds; Oldsmobile; Cutlass; Cutlass Supreme; 98; Calais; Ciera; Custom Cruiser; Starfire; Firenza; 88; Rocket; Rocket 88; Vista Cruiser; Delta 88; 260; 442; 307; 350; 403; 400; 425; 455


    High performance street, very strong mid-range. Needs headers and 2200+ stall.

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 Kit
BrandCOMP CAMS
Package Height3.1
Package Width5.6
Package Length25.4
Weight14.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberOL XE274H-10
Exh. Duration Advertised (Deg)286
Locks IncludedNo
Engine Make/SizeOlds 260-455
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.52
Int. Duration @ .050 In. (Deg)230
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,800-6,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.52 in (13.208 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range1800-6000
Lifter StyleHydraulic flat tappet
Advertised Duration274 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.523
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.520 int./0.523 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.523 in (13.284 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration286
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL42-224-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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