Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 Note: These pulleys are lightweight

Note: These pulleys are lightweight aluminum

less maintenance and longer chain life

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

Handle is suitable for all 9mm VDE interchangeable shafts

S 111 motors

Arlen Ness, 10-Gauge tappet block cover kit. Black - 99-17(NU)Twin Cam; S&S T-series engines 989740 Note: These pulleys are lightweightGloss 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.