Xtreme Energy Mechanical Roller Camshaft
Small Block Chevy 1955-98
• Lift: .570"/.576"
• Duration: 280°/286°
• Lobe Separation Angle: 110°
• RPM Range: 2500-6500
  
  *Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small 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 rear gears.

  Operating Range:	2500-6500 RPM
  Duration Advertised:	280° Intake / 286° Exhaust
  Duration @ .050' Lift:	242° Intake / 248° Exhaust
  Valve Lift w/1.5 Rockers:	.570' Intake / .576' Exhaust
  Valve Setting:	.016' Intake / .018' Exhaust
  Lobe Separation Angle:	110°

  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

  
  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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