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)

less maintenance and longer chain life

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

Note: These pulleys are lightweight aluminum

7mm (5/16") counterbored mounting holes Note: Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report

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.