Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-406-5
Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
$32595
Ships on 09/09/2026
Lowest Price GuaranteeSmall Block Chevy 262-400ci 1955-98
- Blower and Turbo Mechanical Flat Camshaft
Chevy Small Block 262-400ci 1955-98
Lift: .563"/.563"
Duration: 310°/320°
Lobe Separation Angle: 114°
RPM Range: 3500-7000
Serious Bracket race and very hot street with 471 or larger blower.
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
Serious bracket race and very hot street with 471 or larger blower.
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 Height2.75
Package Width2.87
Package Length24.5
Weight8.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)280
Cam StyleMechanical flat tappet
Grind NumberCS 310BS-14
Exh. Duration Advertised (Deg)320-2
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.563
Int. Duration @ .050 In. (Deg)270
Basic Operating Rpm Range3,500-7,000
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.563 in (14.3 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)310-2
Lobe Separation (Deg)114
Rpm Range3500-7000
Advertised Duration310 int./320 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.563
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.563 int./0.563 exh.
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.563 in (14.3 mm)
Advertised Intake Duration310
Intake Duration At 050 Inch Lift270
Exhaust Duration At 050 Inch Lift280
Advertised Exhaust Duration320
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift270 int./280 exh.
Valve Springs RequiredYes
Vendor Part Number12-406-5
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
COMP CAMS
Adjustable Timing Set Small Block Chevy V8 265-400ci (w/Thrust Bearing)
Part Number : 249-3100KT
$24295
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.437" to 1.500"
Part Number : 249-740-16
$8695
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
