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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-993-9
Comp Cams Oval Track Camshafts
$55895
Ships on 10/14/2026
Lowest Price GuaranteeSmall Block Chevrolet 262-400ci 1955-1998Mechanical Roller (.900" Base Circle)
- Oval Track Mechanical Roller Camshaft
Chevrolet 262-400ci 1955-1998
Lift: .630"/.630"
Duration: 300°/304°
Lobe Separation Angle: 106°
RPM Range: 4200-7200
.900" base circle, Best baseline cam for Late Model with 406+ engine.
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
Best for Late Model with 406+ c.i. engine.
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 Length24.4
Weight8.2 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)266
Cam StyleMechanical roller tappet
Grind Number300AR-6
Exh. Duration Advertised (Deg)304-6
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 Lash0.02 in (0.508 mm)
Intake Valve Lift0.63 in (16.002 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)300-5
Lobe Separation (Deg)106
Rpm Range4200-7200
Advertised Duration300 int./304 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 Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.63 in (16.002 mm)
Advertised Intake Duration300
Intake Duration At 050 Inch Lift264
Exhaust Duration At 050 Inch Lift267
Advertised Exhaust Duration304
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift264 int./267 exh.
Valve Springs RequiredYes
Vendor Part Number12-993-9
Package Qty1
Package TypeEA
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