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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-96-210-4
Xtreme Energy XE274H Hydraulic Flat Tappet Camshaft Only Lift .506"/.506" Duration 274/286 RPM Range 2000-6000
$30995
Ships on 10/23/2026
Lowest Price GuaranteeBuick 400, 430, 455 c.i. 8 CYL. 1967-1976
- Xtreme Energy XE274H Hydraulic Flat Tappet Camshaft Only
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
Buick 400; 430; 455; Buick V8
Good mid-range power. Needs headers and 2200 stall.
Lift .506"/.506"
Duration 274/286
RPM Range 2000-6000
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.
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Part TypeCamshaft
BrandCOMP CAMS
Package Height4.6
Package Width4.7
Package Length25.3
Weight9.9 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberXE274H
Exh. Duration Advertised (Deg)286
Engine Make/SizeBuick 400-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.506
Int. Duration @ .050 In. (Deg)230
Basic Operating Rpm Range2,000-6,000
Intake Valve Lift0.506 in (12.852 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range2000-6000
Advertised Duration274 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.506
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.506 int./0.506 exh.
QuantitySold individually
Exhaust Valve Lift0.506 in (12.852 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration286
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number96-210-4
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
