Xtreme Energy Mechanical Roller Camshaft
Big Block Chevy 1965-96
• Lift: .646"/.653"
• Duration: 280°/286°
• Lobe Separation Angle: 110°
• RPM Range: 2500-6500
  
  *Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

  ** Note: Requires thrust button & wear plate.

  Best in street machines with 2800+ stall converter, 10:1 or more compression with 3.73-3.90 gears.

  Operating Range:	2500-6500 RPM
  Duration Advertised:	280° Intake / 286° Exhaust
  Duration @ .050' Lift:	242° Intake / 248° Exhaust
  Valve Lift w/1.7 Rockers:	.646' Intake / .653' 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

  
  Best in street machines with 2800+ stall, 10:1+ compression with 3.73-3.90 rear gears.
  

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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