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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-320-4
COMP Cams Specialty Hydraulic Flat Camshaft Lift .470"/.460" Duration 270/280 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 .470"/.460"
Duration 270/280
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 Width3.0
Package Length24.3
Weight8.95 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic flat tappet
Grind NumberCS 270AH-10
Exh. Duration Advertised (Deg)280-3
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.47
Int. Duration @ .050 In. (Deg)224
Intake Valve Lift0.47 in (11.938 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)110
Rpm Range2000-5600
Advertised Duration270 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.46
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.470 int./0.460 exh.
QuantitySold individually
Exhaust Valve Lift0.46 in (11.684 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift230
Advertised Exhaust Duration280
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift224 int./230 exh.
Valve Springs RequiredYes
Vendor Part Number12-320-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
