Magnum Muscle Hydraulic Flat Tappet Camshaft
Pontiac 265-455ci 1955-81
• Lift: .531"/.531"
• Duration: 280°/280°
• Lobe Separation Angle: 110°
• RPM Range: 1500-5500
  
  
• Replacement For
• 400 1968 Ram Air IV 366 HP
• 400 1969 345/370 HP
• 455 1970 370 HP

  Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;

  
  Magnum Muscle for: 400c.i., 1968 RAM AIR IV, factory 366 HP; 400c.i., 1969, factory 345/370 HP; 455c.i., 1970, factory 370 HP.
  

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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