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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-817-9
Drag Race Mechanical Roller Camshaft Lift .739"/.693" Duration 307/320 RPM Range 4500-8500
$55895
Ships on 09/15/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Drag Race Mechanical Roller Camshaft
Lift .739"/.693"
Duration 307/320
RPM Range 4500-8500
Mechanical Roller-Bracket with good heads and small Comp eliminator 1.6 & 1.6.
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
Bracket with good heads and small Comp Eliminator 1.6 and 1.6.
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 Height2.9
Package Width2.9
Package Length24.3
Weight8.65 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)282
Cam StyleMechanical roller tappet
Grind Number307RXD-12
Exh. Duration Advertised (Deg)320
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.739
Int. Duration @ .050 In. (Deg)274
Basic Operating Rpm Range4,500-8,500
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.739 in (18.771 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)307
Lobe Separation (Deg)112
Rpm Range4500-8500
Advertised Duration307 int./320 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.739
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.739 int./0.739 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.693 in (17.602 mm)
Advertised Intake Duration307
Intake Duration At 050 Inch Lift274
Exhaust Duration At 050 Inch Lift282
Advertised Exhaust Duration320
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift274 int./282 exh.
Valve Springs RequiredYes
Vendor Part Number12-817-9
Package Qty1
Package TypeEA
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