Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft and Lifter Kit

• Lift: .570"/.554"
• Duration: 299°/319°
• Lobe Separation Angle: 107°
• RPM Range: 2300-6100
  
  Valve Setting: Intake - Hyd, Exhaust - Hyd
  RPM Operating Range: 2500 to 6100
  Cam Grind Number: 299THR7
  Duration Advertised: Intake - 299, Exhaust - 319
  Duration @ .050': Intake - 243, Exhaust - 257
  Valve Lift: Intake - .570, Exhaust - .554
  Lobe Sep. Angle: 107°

  396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Camaro; Firebird; L78; Z16; L37; L34; L35; L37; L66; LS3; L34; L35; L37; L66; COPO; ZL1; C10; K10

  
  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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