Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Small Block 262-400ci 1955-98 Lift: .462"/.480"

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K12-556-4

Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Small Block 262-400ci 1955-98 Lift: .462"/.480"

Name: Nitrous HP Hydraulic Flat Tappet Camshaft Complete Kit Chevy Small Block 262-400ci 1955-98 Lift: .462"/.480"
Brand: COMP CAMS
SKU: 249-K12-556-4
Price: 655.95 USD
Availability: InStock

^$655⁹⁵

Ships on 10/22/2026

Lowest Price Guarantee

Chevy Small Block 262-400ci 1955-98

Lift: .462"/.480"
Duration: 262°/280°
Lobe Separation Angle: 113°
RPM Range: 1600-5900
Maximize Performance
Excellent Performance With/With Out Nitrous
Incredible Gains With Nitrous
1 Year Limited Warranty
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

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

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 Height5.1

Package Width10.5

Package Length25.4

Weight21.2 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)230

Cam StyleHydraulic flat tappet

Grind NumberCS NX262H-13

Exh. Duration Advertised (Deg)280

Locks IncludedYes

Engine Make/SizeChevy Small Block (262-400)

Retainers IncludedYes

Intake Valve Lift With Factory Rocker Arm Ratio (I0.462

Int. Duration @ .050 In. (Deg)218

Assembly Lubricant IncludedYes

Basic Operating Rpm Range1,600-5,900

Pushrods IncludedNo

Gaskets IncludedNo

Rocker Arms IncludedNo

Intake Valve Lift0.462 in (11.735 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)262

Lobe Separation (Deg)113

Rpm Range1600-5900

Lifter StyleHydraulic flat tappet

Advertised Duration262 int./280 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48

Valve Springs IncludedYes

UsageStreet/Strip

Valve Lift With Factory Rocker Arm Ratio0.462 int./0.480 exh.

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lift0.48 in (12.192 mm)

Advertised Intake Duration262

Outside Diameter Of Outer Spring1.254 in (31.9 mm)

Intake Duration At 050 Inch Lift218

Exhaust Duration At 050 Inch Lift230

Timing Chain StyleDouble non-roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration280

Lifter TypeHydraulic Flat Tappet

Part FitmentSemi Universal

Duration At 050 Inch Lift218 int./230 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK12-556-4

Package Qty1

Package TypeEA

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