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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-690-47
Comp Cams Oval Track Camshafts
$32695
1 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeSmall Block Chevrolet 262-400ci 1955-1998Mechanical Flat Tappet (4 & 7 Swap Firing Order)
- Oval Track Mechanical Flat Tappet Camshaft
Chevrolet 262-400ci 1955-1998
4 & 7 Swap
Lift: .558"/.549"
Duration: 290°/300°
Lobe Separation Angle: 106°
RPM Range: 3400-7200
3/8-1/2 Tight. 360+ cid. 12:1+ 4bbl with good intake & exhaust.
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
3/8-1/2 tight. 360+c.i. 12:1+ compression. 4 BBL with good intake and exhaust.
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 Width2.9
Package Length24.3
Weight8.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)266
Cam StyleMechanical flat tappet
Grind Number47S 290XOS
Exh. Duration Advertised (Deg)300
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.558
Int. Duration @ .050 In. (Deg)260
Basic Operating Rpm Range3,400-7,200
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.558 in (14.173 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)290
Lobe Separation (Deg)106
Rpm Range3400-7200
Advertised Duration290 int./300 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.549
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.558 int./0.549 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.549 in (13.945 mm)
Advertised Intake Duration290
Intake Duration At 050 Inch Lift260
Exhaust Duration At 050 Inch Lift266
Advertised Exhaust Duration300
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift260 int./266 exh.
Valve Springs RequiredYes
Vendor Part Number12-690-47
Package Qty1
Package TypeEA
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