Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 Inner Primary Mainshaft Race BearingFits

Inner Primary Mainshaft Race BearingFits most OEM and most aftermarket inner primaries

Used on primary inside to seal-off the stand-off studs for the outer primary cover

OEM replacement reference 47200899 (headlamp bracket) and 47200896 (upper bracket inner fairing)

54 KW(73 PS) Harley Davidson FXDL 1450 Dyna Low Rider 1449 2000 ALL 49 KW(67 PS)

blocks the sun's glare from the speedometer glass to make it easier to read the speedometer

Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 Inner Primary Mainshaft Race BearingFitsGloss Black Contrast Machined anodized armor coating that will resist fading from heat or UV exposure. CNC machined 6061 T6 billet aluminum. Beauty is in the details and these tappet block covers give the engine an instant improvement. Direct replacement for the stock lifter block covers. Note: See Arlen Ness' 10 Gauge pushrod covers for a great style match.