Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .630"/.630" Duration 300/308 RPM Range 4200-7200

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-12-822-14

Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .630"/.630" Duration 300/308 RPM Range 4200-7200

Name: Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .630"/.630" Duration 300/308 RPM Range 4200-7200
Brand: COMP CAMS
SKU: 249-12-822-14
Price: 603.95 USD
Availability: InStock

^$603⁹⁵

Ships on 10/23/2026

Lowest Price Guarantee

Chevy 262-400ci Small Block 1955-98

4&7 Swap Firing Order

Lift

Duration

RPM Range

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

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 Width3.0

Package Length24.1

Weight8.85 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)270

Cam StyleMechanical roller tappet

Grind NumberCS 47S 300R-6

Exh. Duration Advertised (Deg)308

Engine Make/SizeChevy Small Block (262-400)

Intake Valve Lift With Factory Rocker Arm Ratio (I0.63

Int. Duration @ .050 In. (Deg)264

Basic Operating Rpm Range4,200-7,200

Intake Valve Lash0.024 in (0.61 mm)

Intake Valve Lift0.63 in (16.002 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)300

Lobe Separation (Deg)106

Rpm Range4200-7200

Advertised Duration300 int./308 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.63

UsageStrip

Valve Lift With Factory Rocker Arm Ratio0.630 int./0.630 exh.

QuantitySold individually

Exhaust Valve Lash0.026 in (0.66 mm)

Exhaust Valve Lift0.63 in (16.002 mm)

Advertised Intake Duration300

Intake Duration At 050 Inch Lift264

Exhaust Duration At 050 Inch Lift270

Advertised Exhaust Duration308

Lifter TypeMechanical Roller

Part FitmentSemi Universal

Duration At 050 Inch Lift264 int./270 exh.

Valve Springs RequiredYes

Vendor Part Number12-822-14

Package Qty1

Package TypeEA

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