Nitrous HP Hydraulic Flat Tappet Camshaft Small Kit Chevy Big Block 396-454ci 1965-96 Lift: .551"/.568"
Product Discontinued
COMP CAMSPART NUMBER: 249-SK11-564-4

Nitrous HP Hydraulic Flat Tappet Camshaft Small Kit Chevy Big Block 396-454ci 1965-96 Lift: .551"/.568"

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Chevy Big Block 396-454ci 1965-96
    Nitrous HP Hydraulic Flat Tappet Camshaft Small Kit
    Chevy Big Block 396-454ci 1965-96
  • Lift: .551"/.568"
  • Duration: 274°/292°
  • Lobe Separation Angle: 113°
  • RPM Range: 2000-6500

    High performance street with 100-150 nitrous kit or small blower.

    396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Camaro; Firebird; L78; Z16; L37; L34; L35; L37; L66; LS3; L34; L35; L37; L66; COPO; ZL1; C10; K10


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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.

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Designed to work with nitrous to give you the most power possible while still maintaining the low end torque and response needed in the street driven applications. This is accomplished by optimizing the opening and closing events of the valves and the individual lobe profiles to better use the additional fuel and oxygen provided with nitrous kits. Delivers excellent performance off nitrous and incredible gains with nitrous. Also ideal when used with forced induction.

Show MoreFeatures:
  • Wider lobe separation and added exhaust duration from base XE series help shift the power to higher RPM to allow use in nitrous applications
  • Early exhaust opening helps scavenge the extra spent gasses from nitrous or forced induction
  • Better time slips for nitrous passes at the strip

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

Part TypeCamshaft Kit
Product LineComp Cams Nitrous HP Cams
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight19.0 PG
Part CategoryPerformance Parts
UsageStreet/Strip
Intake Valve Lift0.551 in (13.995 mm)
Int. Duration Advertised (Deg)274
Exh. Duration @ .050 In. (Deg)244
Rpm Range2000-6500
Lifter TypeHydraulic Flat Tappet
Exh. Duration Advertised (Deg)292
Part FitmentSemi Universal
Engine Make/SizeChevy Big Block (396-454)
Int. Duration @ .050 In. (Deg)230
Exhaust Valve Lift0.556 in (14.122 mm)
Vendor Part NumberSK11-564-4
Package Qty1
Package TypeEA
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