25605-00A outer release ramp

Used between the tappet cover and the engine case

Used to convert Twin Cams from stock non-adjustable to adjustable pushrods

Customs with transmission driven speedo

OEM style reproduction for 24031-55

S&S Valve Spring Set 48-85 Handtag 25605-00A outer release rampKit includes aluminum top collars and valve springs. High performance spring kit that can be used in all applications from stock to . 550" lift cams. Note: Lower collars and valve keys valve keepers must be re used. Note: Panhead may require clearancing between rocker cover and top collar. Note: L81 84 Shovelhead must use stock style lower collars (18222 81) or purchase them separately as MCS 982281. Fits: > 48 66 Panhead; 66 84 Shovelhead