Edelbrock Rollin Thunder Hydraulic Roller Camshaft - Lift 0.539 / 0.548 in - Duration 234 / 238 - 112 LSA - Small Block Chevy 2204 RTV Marine series

Marine series

including Full Size Chevy

Splined Size: 1 7/8"

GM 1959-72

Edelbrock Rollin Thunder Hydraulic Roller Camshaft - Lift 0.539 / 0.548 in - Duration 234 / 238 - 112 LSA - Small Block Chevy 2204 RTV Marine seriesEdelbrock Rollin' Thunder camshafts are designed to improve horsepower and torque, produce a great sounding performance idle and provide excellent vacuum at idle to support power accessories. Rollin' Thunder camshafts feature more aggressive lift profiles than possible with conventional flat tappet hydraulic cams, without excessive valve overlap that can compromise low rpm drivability; reduced friction provided by roller tappets makes this combination