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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-552-4
Nitrous HP Hydraulic Flat Tappet Camshaft Chevy Small Block 262-400ci 1955-98 Lift: .434"/.464"
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevy Small Block 262-400ci 1955-98
- Nitrous HP Hydraulic Flat Tappet Camshaft
- Lift: .434"/.464"
- Duration: 256°/268°
- Lobe Separation Angle: 113°
- RPM Range: 1200-5600
Works well in near stock engines with up to 125 HP nitrous kits.265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Works well in near stock engines with up to 125 hp nitrous kits.
Chevy Small Block 262-400ci 1955-98
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 Height2.75
Package Width2.87
Package Length24.5
Weight9.1 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)222
Cam StyleHydraulic flat tappet
Grind NumberNX256H
Exh. Duration Advertised (Deg)268
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.434
Int. Duration @ .050 In. (Deg)212
Basic Operating Rpm Range1,200-5,600
Intake Valve Lift0.434 in (11.024 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)113
Rpm Range1200-5600
Advertised Duration256 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.464
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.434 int./0.464 exh.
QuantitySold individually
Exhaust Valve Lift0.464 in (11.786 mm)
Advertised Intake Duration256
Intake Duration At 050 Inch Lift212
Exhaust Duration At 050 Inch Lift222
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift212 int./222 exh.
Valve Springs RequiredYes
Vendor Part Number12-552-4
Package Qty1
Package TypeEA
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