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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-649-5
Comp Cams Oval Track Camshafts
$32595
Ships on 09/08/2026
Lowest Price GuaranteeSmall Block Chevrolet 262-400ci 1955-1998Mechanical Flat Tappet - (Xtreme Oval)
- Oval Track Mechanical Flat Tappet Camshaft
Chevrolet 262-400ci 1955-1998
Lift: .510"/.510"
Duration: 270°/276°
Lobe Separation Angle: 108°
RPM Range: 2700-6400
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
1/4-3/8 fast. 327-358c.i., 9:1 compression. 2 BBL with stock intake and headers.
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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Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.3
Weight8.65 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleMechanical flat tappet
Grind NumberCS 270XO-8
Exh. Duration Advertised (Deg)276
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.51
Int. Duration @ .050 In. (Deg)240
Basic Operating Rpm Range2,700-6,400
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.51 in (12.954 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)108
Rpm Range2700-6400
Advertised Duration270 int./276 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.51
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.510 int./0.510 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift242
Advertised Exhaust Duration276
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift240 int./242 exh.
Valve Springs RequiredYes
Vendor Part Number12-649-5
Package Qty1
Package TypeEA
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