Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K11-679-5
Xtreme Energy Mechanical Flat Camshaft Complete Kit Lift: .598"/.598"
$79995
Ships on 10/20/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Xtreme Energy Mechanical Flat Camshaft Complete Kit
- Lift: .598"/.598"
- Duration: 290°/298°
- Lobe Separation Angle: 110°
- RPM Range 2800-7200
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Pro Street/bracket, needs good intake, headers, gear and 3500+ stall.
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 Kit
BrandCOMP CAMS
Package Height5.8
Package Width10.3
Package Length25.3
Weight25.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)260
Cam StyleMechanical flat tappet
Grind NumberCB XS290S-10
Exh. Duration Advertised (Deg)298
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.598
Int. Duration @ .050 In. (Deg)252
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,800-7,200
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.016 in (0.406 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.598 in (15.189 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)290
Lobe Separation (Deg)110
Rpm Range2800-7200
Lifter StyleMechanical flat tappet
Advertised Duration290 int./298 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.598
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.598 int./0.598 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.016 in (0.406 mm)
Exhaust Valve Lift0.598 in (15.189 mm)
Advertised Intake Duration290
Outside Diameter Of Outer Spring1.509 in (38.3 mm)
Intake Duration At 050 Inch Lift252
Exhaust Duration At 050 Inch Lift260
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration298
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift252 int./260 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK11-679-5
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)
![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_200/500/555/555-80521.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
![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)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
Some parts are not legal for use in California or other states with similar laws / regulations
