Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-906-9
Drag Race Mechanical Roller Camshaft Lift .630"/.630" Duration 312/322 RPM Range 4500-7500
$55895
Ships on 10/22/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Drag Race Mechanical Roller Camshaft
Lift .630"/.630"
Duration 312/322
RPM Range 4500-7500
Lift: .630'/.630'
Advertised Duration: 312°/322°
Duration @ .050: 276°/284°
RPM Range:4500-7500
Lobe Sep. Angle: 107°
5000+ Stall Converter & 11:1 Compression Ratio
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
Excellent for 12:1 compression, 358 with open carb. Sustained high RPM on long track. 5000+ stall, 11:1+ compression.
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
Weight9.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)284
Cam StyleMechanical roller tappet
Grind NumberCS 312A-R7
Exh. Duration Advertised (Deg)322-3
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.63
Int. Duration @ .050 In. (Deg)276
Basic Operating Rpm Range4,500-7,500
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.63 in (16.002 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)312-5
Lobe Separation (Deg)107
Rpm Range4500-7500
Advertised Duration312 int./322 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.63
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.630 int./0.630 exh.
QuantitySold individually
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.63 in (16.002 mm)
Advertised Intake Duration312
Intake Duration At 050 Inch Lift276
Exhaust Duration At 050 Inch Lift284
Advertised Exhaust Duration322
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift276 int./284 exh.
Valve Springs RequiredYes
Vendor Part Number12-906-9
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![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)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
COMP CAMS
Adjustable Timing Set Small Block Chevy V8 265-400ci (w/Thrust Bearing)
Part Number : 249-3100KT
$24295
COMP CAMS
Bronze Distributor Gear Chevy V6 90° 200-262, V8 265-400, V8 396-454
Part Number : 249-412
$8395
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
