Howards Mechanical Roller Camshaft - Lift 0.640/0.640" - Duration 251/257 - 106 LSA - 3600/7600 RPM - Small Block Chevy 2070039 XAM Heavy Duty Shank Series

XAM Heavy Duty Shank Series

Head Diameter

Rear map pocket

Spindles accept Granada or Hybrid style rotors with corresponding caliper brackets

Provides control of the 3-4 Shift

Howards Mechanical Roller Camshaft - Lift 0.640/0.640" - Duration 251/257 - 106 LSA - 3600/7600 RPM - Small Block Chevy 2070039 XAM Heavy Duty Shank SeriesProduct Description: Camshaft Mechanical Roller Lift 0. 640 0. 640 in Duration 251 257 106 LSA 3600 7600 RPM Small Block Chevy Sold Individually The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced