Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-412-8
Computer Controlled Hydraulic Roller Tappet Camshaft RPM Range: 1000-5200
$52295
Ships on 09/09/2026
Lowest Price Guarantee1965-96 Big Block Chevy 396-454 Retro-Fit
- Computer Controlled Hydraulic Roller Tappet Camshaft
- RPM Range: 1000-5200
- Lift: .485"/.485"
- Advertised Duration: 266°/276°
- Lobe Separation Angle: 112°
For 454 TBIChevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
For throttle body injection 454.
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 Height2.3
Package Width7.0
Package Length26.5
Weight10.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)220
Cam StyleHydraulic roller tappet
Grind NumberCB 266H-R12
Exh. Duration Advertised (Deg)276
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.485
Int. Duration @ .050 In. (Deg)210
Basic Operating Rpm Range1,000-5,000
Intake Valve Lift0.485 in (12.319 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)266
Lobe Separation (Deg)112
Rpm Range1000-5000
Advertised Duration266 int./276 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.485
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.485 int./0.485 exh.
QuantitySold individually
Exhaust Valve Lift0.485 in (12.319 mm)
Advertised Intake Duration266
Intake Duration At 050 Inch Lift210
Exhaust Duration At 050 Inch Lift220
Advertised Exhaust Duration276
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift210 int./220 exh.
Valve Springs RequiredYes
Vendor Part Number11-412-8
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![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)
COMP CAMS
Magnum Double Roller Timing Set 1965-91 Chevy Big Block V8 396-454
Part Number : 249-2110
$11695
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.500" to 1.550"
Part Number : 249-748-16
$9095
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
