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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-772-8
Xtreme Energy Mechanical Roller Camshaft Small Kit Big Block Chevy 1965-96 Lift: .653"/.660"
$1,30995
Ships on 10/22/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96
- Xtreme Energy Mechanical Roller Camshaft Small Kit
- Lift: .653"/.660"
- Duration: 286°/292°
- Lobe Separation Angle: 110°
- RPM Range: 3000-7000
** Note: Requires thrust button & wear plate.Good in weekend warrior with 3000+ stall converter. Needs good intake and exhaust with low gears.
Operating Range: 3000-7000 RPM Duration Advertised: 286° Intake / 292° Exhaust Duration @ .050' Lift: 248° Intake / 254° Exhaust Valve Lift w/1.7 Rockers: .653' Intake / .660' Exhaust Valve Setting: .016' Intake / .018' Exhaust Lobe Separation Angle: 110° Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Good in weekend warrior with 3000+ stall. Needs good intake and exhaust with low gears.
Big Block Chevy 1965-96
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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.25
Package Length25.5
Weight15.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)254
Cam StyleMechanical roller tappet
Grind NumberXR286R
Exh. Duration Advertised (Deg)292
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.653
Int. Duration @ .050 In. (Deg)248
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,000-7,000
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.016 in (0.406 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.653 in (16.586 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)286
Lobe Separation (Deg)110
Rpm Range3000-7000
Lifter StyleMechanical roller
Advertised Duration286 int./292 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.66
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.653 int./0.660 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.66 in (16.764 mm)
Advertised Intake Duration286
Intake Duration At 050 Inch Lift248
Exhaust Duration At 050 Inch Lift254
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration292
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift248 int./254 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK11-772-8
Package Qty1
Package TypeEA
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