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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-687-47
Drag Race Mechanical Flat Tappet Camshaft 4 & 7 Swap Small Block Chevy 262-400ci 1955-98 Lift: .570"/.590"
$32695
Ships on 09/15/2026
Lowest Price GuaranteeChevy Small Block 262-400 1955-98
- Drag Race Mechanical Flat Tappet Camshaft
- Lift: .570"/.590"
- Duration: 296°/304°
- Lobe Separation Angle: 106°
- RPM Range: 4500-7500
- Drag Race Xtreme RX Camshaft
- 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
350-400, 12:1 compression, 4800+ stall.
4 & 7 Swap
Small Block Chevy 262-400ci 1955-98
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 Height2.8
Package Width3.1
Package Length24.4
Weight8.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)274
Cam StyleMechanical flat tappet
Grind NumberCS 47S 296TLS-6
Exh. Duration Advertised (Deg)304
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.57
Int. Duration @ .050 In. (Deg)266
Basic Operating Rpm Range4,500-7,500
Intake Valve Lift0.57 in (14.478 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)296
Lobe Separation (Deg)106
Rpm Range4500-7500
Advertised Duration296 int./304 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.59
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.570 int./0.590 exh.
QuantitySold individually
Exhaust Valve Lift0.59 in (14.986 mm)
Advertised Intake Duration296
Intake Duration At 050 Inch Lift266
Exhaust Duration At 050 Inch Lift274
Advertised Exhaust Duration304
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift266 int./274 exh.
Valve Springs RequiredYes
Vendor Part Number12-687-47
Package Qty1
Package TypeEA
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