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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-573-5
Comp Cams Nostalgia Plus Camshafts
$32595
Ships on 09/08/2026
Lowest Price GuaranteeChevrolet 396-454ci 1965-96 Mechanical Camshaft
- Nostalgia Plus Mechanical Flat Tappet Camshaft
Chevrolet 396-454ci 1965-96
Lift: .581"/.622"
Duration: 299°/309°
Lobe Separation Angle: 112°
RPM Range: 3500-7000
Nostalgia Plus version of legendary ZL-1 camshaft. Modern lobe design makes this cam better than the original.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Nostalgia Plus version of legendary ZL-1 camshaft. Modern lobe design makes this cam better than the original.
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 Height2.9
Package Width3.1
Package Length24.3
Weight10.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)272
Cam StyleMechanical flat tappet
Grind NumberN+ZL-1S
Exh. Duration Advertised (Deg)309
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.581
Int. Duration @ .050 In. (Deg)262
Basic Operating Rpm Range3,500-7,000
Intake Valve Lash0.012 in (0.305 mm)
Intake Valve Lift0.581 in (14.757 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)299
Lobe Separation (Deg)110
Rpm Range3500-7000
Advertised Duration299 int./309 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.622
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.581 int./0.622 exh.
QuantitySold individually
Exhaust Valve Lash0.012 in (0.305 mm)
Exhaust Valve Lift0.622 in (15.799 mm)
Advertised Intake Duration299
Intake Duration At 050 Inch Lift262
Exhaust Duration At 050 Inch Lift272
Advertised Exhaust Duration309
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift262 int./272 exh.
Valve Springs RequiredYes
Vendor Part Number11-573-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
