Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
• Lift: .552"/.537"
• Duration: 299°/319°
• Lobe Separation Angle: 107°
• RPM Range: 2300-6100
  
  Big Mutha' ThumprT : Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

  Olds; Oldsmobile; Cutlass; Cutlass Supreme; 98; Calais; Ciera; Custom Cruiser; Starfire; Firenza; 88; Rocket; Rocket 88; Vista Cruiser; Delta 88; 260; 442; 307; 350; 403; 400; 425; 455

  
  Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough 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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