Xtreme Energy 250H Hydraulic Flat Tappet Camshaft & Lifter Kit
• Lift: .470"/.475"
• Duration: 250°/260°
• RPM Range: 600-4800
  
  
  *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.

  Hydraulic-Very strong torque, excellent mileage, smooth idle.

  Operating Range:	600-4800 RPM
  Duration Advertised:	250° Intake / 260° Exhaust
  Duration @ .050' Lift:	206° Intake / 212° Exhaust
  Valve Lift w/1.7 Rockers:	.470' Intake / .475' 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

  
  Very strong torque, excellent mileage, smooth idle.
  

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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