Xtreme Energy Mechanical Flat Camshaft Lift: .501"/.510"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-12-677-4

Xtreme Energy Mechanical Flat Camshaft Lift: .501"/.510"

$30995
5 left in stock
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Chevy Small Block 265-400ci 1955-98
    Xtreme Energy Mechanical Flat Camshaft
  • Lift: .501"/.510"
  • Duration: 274°/280°
  • Lobe Separation Angle: 110°
  • RPM Range 2000-6400

  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 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


    Very strong mid-range torque and throttle response, 2200+ stall.

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 Height3.1
Package Width3.5
Package Length24.2
Weight8.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleMechanical flat tappet
Grind NumberCS XS274S-10
Exh. Duration Advertised (Deg)280
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.501
Int. Duration @ .050 In. (Deg)236
Basic Operating Rpm Range2,000-6,400
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.501 in (12.725 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range2000-6400
Advertised Duration274 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.51
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.501 int./0.510 exh.
QuantitySold individually
Exhaust Valve Lash0.016 in (0.406 mm)
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift242
Advertised Exhaust Duration280
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./242 exh.
Valve Springs RequiredYes
Vendor Part Number12-677-4
Package Qty1
Package TypeEA
No Questions
No Reviews

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