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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-328-4
COMP Cams Specialty Hydraulic Flat Camshaft Lift .490/.485 Duration 286/292 Lobe Angle 110°
$18299
Ships on 09/15/2026
Lowest Price GuaranteeChevy Small Block
- COMP Cams Specialty Hydraulic Flat Camshaft
- Specialty Camshaft
- 1 Year Limited Warranty
SBC; Chevrolet; Chevy Small Block; Small Block Chevrolet; 265; 283; 307; 302; 327; 350; 305; 262; 400; 383; 427; 406; 355; 267; L46; L48; L65; LM1; ZQ3; LT1; L82; L81; LS9; LT-9; L83; L98; L05; L31; LG3; LG4; LU5; L69; LE9; LB9; L03; L30; Chevelle; Camaro; Swap; Corvette; Bel Air; Z28; Z2/8; Duntov; Nova; Monaro; Firebird; Trans-Am; Pontac; C10; C20; K10; Blazer; S10; Monza; Ventura; Monte Carlo; Malibu; El Camino; Caprice; Vortec; SS
Lift .490/.485
Duration 286/292
Lobe Angle 110°
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 Height2.8
Package Width3.2
Package Length24.2
Weight8.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)244
Cam StyleHydraulic flat tappet
Grind NumberCS 286AH-10
Exh. Duration Advertised (Deg)292-3
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.49
Int. Duration @ .050 In. (Deg)236
Intake Valve Lift0.49 in (12.446 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)286-3
Lobe Separation (Deg)110
Rpm Range2400-6000
Advertised Duration286 int./292 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.485
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.490 int./0.485 exh.
QuantitySold individually
Exhaust Valve Lift0.485 in (12.319 mm)
Advertised Intake Duration286
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift244
Advertised Exhaust Duration292
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./244 exh.
Valve Springs RequiredYes
Vendor Part Number12-328-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
