Xtreme Energy 274H Hydraulic Flat Tappet Camshaft Complete Kit Lift .562"/.565" Duration 274°/286° RPM Range 1800-6000

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K33-248-4

Xtreme Energy 274H Hydraulic Flat Tappet Camshaft Complete Kit Lift .562"/.565" Duration 274°/286° RPM Range 1800-6000

Name: Xtreme Energy 274H Hydraulic Flat Tappet Camshaft Complete Kit Lift .562"/.565" Duration 274°/286° RPM Range 1800-6000
Brand: COMP CAMS
SKU: 249-K33-248-4
Price: 683.95 USD
Availability: InStock

^$683⁹⁵

Ships on 09/15/2026

Lowest Price Guarantee

Ford 352-428 c.i. 8 CYL. 1963-1977

Lift

Duration

RPM Range

Produces Better Throttle Response
Produces Top Engine Horsepower
Delivers Increased Engine Vacuum
1 Year Limited Warranty
Ford, FE, 352, 428, Super Cobra Jet, SCJ, Cobra Jet, Mustang, Mach 1, Shelby, 332, 361, 390, 406, 410, 427, 428, Truck, F100, F150, Ford Truck

High performance street, very strong mid-range with headers, 2400+ stall and lower gears.

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 Height6.0

Package Width10.5

Package Length26.0

Weight27.25 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)236

Cam StyleHydraulic flat tappet

Grind NumberFB XE274H-10

Exh. Duration Advertised (Deg)286

Locks IncludedYes

Engine Make/SizeFord 390-428

Retainers IncludedYes

Intake Valve Lift With Factory Rocker Arm Ratio (I0.562

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 Lift0.562 in (14.275 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 (0.565

Valve Springs IncludedYes

UsageStreet/Performance

Valve Lift With Factory Rocker Arm Ratio0.562 int./0.565 exh.

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lift0.565 in (14.351 mm)

Advertised Intake Duration274

Outside Diameter Of Outer Spring1.509 in (38.3 mm)

Intake Duration At 050 Inch Lift230

Exhaust Duration At 050 Inch Lift236

Timing Chain StyleDouble non-roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration286

Lifter TypeHydraulic Flat Tappet

Part FitmentSemi Universal

Duration At 050 Inch Lift230 int./236 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK33-248-4

Package Qty1

Package TypeEA

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