Thumpr Retro-Fit Hydraulic Roller Camshaft

• Lift: .547"/.530"
• Duration: 283°/303°
• Lobe Separation Angle: 107°
• RPM Range: 1700-5500
  
  Valve Setting: Intake - Hyd, Exhaust - Hyd
  RPM Operating Range: 1900 to 5600
  Cam Grind Number: 283THR7
  Duration Advertised: Intake - 283, Exhaust - 303
  Duration @ .050': Intake - 227, Exhaust - 241
  Valve Lift: Intake - .547, Exhaust - .530
  Lobe Sep. Angle: 107°

  Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572

  
  High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping 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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