Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-560-4
Nitrous HP Hydraulic Flat Tappet Camshaft Chevy Small Block 262-400ci 1955-98 Lift: .477"/.490"
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevy Small Block 262-400ci 1955-98
- Nitrous HP Hydraulic Flat Tappet Camshaft
- Lift: .477"/.490"
- Duration: 268°/286°
- Lobe Separation Angle: 113°
- RPM Range: 2000-6200
Street Machines with 125+ HP kit, needs stall, gears, choppy idle.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
Street machines with 125+ hp kit, 2200+ stall, gears, choppy idle.
Chevy Small Block 262-400ci 1955-98
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
Weight8.95 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberCS NX268H-13
Exh. Duration Advertised (Deg)286
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)224
Basic Operating Rpm Range2,000-6,200
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)113
Rpm Range2000-6200
Advertised Duration268 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.49
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.490 exh.
QuantitySold individually
Exhaust Valve Lift0.49 in (12.446 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration286
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift224 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number12-560-4
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)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.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)
COMP CAMS
Magnum Double Roller Timing Set 1955-91 Chevy Small Block V8 265-400 (Except w/Factory Roller)
Part Number : 249-2100
$6295
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.437" to 1.500"
Part Number : 249-740-16
$8695
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
