Hydraulic Flat Tappet Camshaft & Lifters
• 1967-1990 Chevy 396-454
• Lift: .475"/.500"
• Adv. Duration: 266°/276°
• RPM Range: 1500-4000
  Includes:
• (4oz.) Assembly Lube
  
  Note: In order to use this camshaft in 1965-66 engines, the rear cam bearing journal must be grooved. Groove must be on the centerline of the rear journal, 3/16" wide x 7/64" deep.

  	Intake	Exhaust
  Advertised Duration	266°	276°
  Duration @ .050"	208°	218°
  Valve Lift w/ 1.7 Rocker Arms	0.475	0.500
  Valve Lift @ Cam	0.280	0.294
  Max Lift Angle	107°	117°
  Lobe Separation	112°
  Cam Timing @ .050" - Opens	-3° ATDC	46° BBDC
  Cam Timing @ .050" - Closes	31° ABDC	-8° BTDC

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.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART