High Performance Hydraulic Tappets for 1984-'99 HD® Big Twins And 1986-'90 HD® Sportster®

High Performance Hydraulic Tappets for 1984-'99 HD® Big Twins And 1986-'90 HD® Sportster®

Are you thinking of putting a new cam in your bike? You'll want these too. S&S® offers high performance tappets for 1984-'99 HD® Evolution® and 1986-'90 HD® Sportster®. These tappets are a great choice for any stock or high performance application. Only the finest materials and precision machining techniques are used in the manufacture of these lifters, and strict quality control insures that they will work flawlessly every time, no matter what the application. Whether you have a stock 80 incher or the most outrageous big inch engine with a radical cam and spring combination, S&S tappets are built to take it. Sold as a set of 4.

Features:

• Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life
• Each lifter body and plunger assembly is hand-fit and pressure-tested to ensure correct operation
• Redesigned plunger assembly withstands forces associated with heavy-duty valve springs and pushrods typically used in high-performance applications
• Revised metering device precisely controls oil delivery to top end, ensuring rapid lifter pump-up and reducing possibility of oil starvation to bottom end
• Reduce valvetrain noise 
• Tight tolerances for a low leak down rate
• Hand assembled in the USA