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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-69-400-8
Comp Cams High Energy Hydraulic Roller Camshafts
$57795
Ships on 09/08/2026
Lowest Price GuaranteeGM
- High Energy Hydraulic Roller Camshaft
1977 1/2-1987 Buick GN 231 c.i. 6 cyl.
1988-89 Trans Am
Lift: .511"/.504"
Duration: 269°/264°
Lobe Separation Angle: 112°
RPM Range: 1500-6200
Hydraulic Roller-Serious high performance aftermarket turbo. Downpipe, intercooler preferred. Needs computer modifications or aftermarket computer.
Grand National; Buick Grand National; Buick 181; Buick 252; Buick Even Fire; Buick V6; Buick 231
Performance upgrade for use with aftermarket turbo. Downpipe, intercooler preferred. Needs computer modifications or aftermarket computer.
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 Height4.5
Package Width4.6
Package Length25.5
Weight7.81 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic roller tappet
Grind Number269HR
Exh. Duration Advertised (Deg)269
Engine Make/SizeBuick 231-252
Intake Valve Lift With Factory Rocker Arm Ratio (I0.511
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range1,500-6,200
Intake Valve Lift0.511 in (12.979 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)269
Lobe Separation (Deg)112
Rpm Range1500-6200
Advertised Duration269 int./264 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.504
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.511 int./0.504 exh.
QuantitySold individually
Exhaust Valve Lift0.504 in (12.802 mm)
Advertised Intake Duration269
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift212
Advertised Exhaust Duration264
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift218 int./212 exh.
Valve Springs RequiredNo
Vendor Part Number69-400-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
