S&S Precision Tappet Set motorcycle engine you can monitor RPMs and

you can monitor RPMs and speed at a glance—without taking your eyes off the road when you’re getting after it

this is the most complete Dyna rear fender kit on the market

Race design helps dissipate heat more efficiently versus stock covers and provides a race-inspired look

uService® replaceable lenses and optics

S&S Precision Tappet Set motorcycle engine you can monitor RPMs andAll new, improved design Reduced valve train noise from start up to shut down Hand assembled to exact tolerances for low leak down rates Reduced valve train noise from startup to shutdown Fast pump up and superior high rpm performance Each Precision Lifter is hand assembled to exacting tolerances and designed for quiet operation and rapid pump up and all are made in the USA Sold as a set of 4 More performance engine parts HERE. Fits: 17 21 M8 99 17