Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 54 KW(73 PS) Harley Davidson

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

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

High vis orange interior

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

black housing

Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 54 KW(73 PS) Harley DavidsonGloss 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.