Application: M-6049-N351/N352 "Sportsman" head. Ratio Mounting: 1.65 Stud. Valve Type : Inline. Notes: 7/16" stud mount intake rocker with .150" offset pushrod cup. Reduces friction and horsepower loss. Increases high RPM valve train stability. High strength trunnion supported by needle roller bearings. Grade 8 adjusting nuts. Precision machined from 2024 high tensile strength aircraft alloy extrusions. NOTES: specs & photos may vary