Comp cams also has cams for the magnums.

HYDRAULIC ROLLER-Performance street cam for 318. Excellent torque in 360. May require computer modifications.
SKU 20-602-9


HYDRAULIC ROLLER-High performance cam for 360. Will require computer modifications.
SKU 20-604-9


HYDRAULIC ROLLER-Factory replacement for 318 with strong torque.
SKU 20-608-9