Evo Sportster rocker cover set (1 cyl.). Black - 91-03 XL; 86-90 XL crankvented models when umbrella valve is nut used (NU)) 978358 With a 5-position adjustable puller

With a 5-position adjustable puller head

Replacement needle to adjust the mid-range on Keihin CV carburetors

Piston weight 357gr

Filter is reusable and washable

USA manufactured with adjustable throttle boss end cap

Evo Sportster rocker cover set (1 cyl.). Black - 91-03 XL; 86-90 XL crankvented models when umbrella valve is nut used (NU)) 978358 With a 5-position adjustable pullerBlack finish. OEM style rocker covers. Complete set for one cylinder head. Includes gaskets. Hardware is not included. Note: Rocker cover sets are for for late head vented models. Will fit early 86 90 crankcase vented Sportster models when the umbrella valve is not used.