Magnum 280H Hydraulic Flat Tappet Camshaft
Lift: .480''/.480"
Duration: 280°/280°
RPM Range: 2000-6000


Choppy idle, increased compression advised. Needs 2500-stall and lower gears, use headers.

Operating Range:	2000-6000 RPM
Duration Advertised:	280° Intake / 280° Exhaust
Duration @ .050' Lift:	230° Intake / 230° Exhaust
Valve Lift w/1.5 Rockers:	.480' Intake / .480' Exhaust
Lobe Separation Angle:	110°

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;


Choppy idle, increased compression advised. Needs 2500+ stall and lower gear, use headers.

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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