Manley, valve key set (8) - 36-47 Knucklehead; 48-65 Panhead; 66-84 Shovelhead (NU) 978416 - Smooth (plain) housing -

- Smooth (plain) housing - Lens diameter is 27mm - ECE approved lens - Die-cast aluminum housing - With 12V 21W halogen bulb Note: See 940803 for replacement lens

156" 951642 25x Bullet

Designed for use on straight splined shafts only

Fits most 14mm threaded spark plugs

coil boots are always black

Manley, valve key set (8) - 36-47 Knucklehead; 48-65 Panhead; 66-84 Shovelhead (NU) 978416 - Smooth (plain) housing -Stock style replacement. Heat treated, black oxided and 100% machined from a special chromoly material. Each valve keeper is designed to work with stock, Manley and most aftermarket top collars. Includes 4 pairs of valve keepers, to service one engine.