Kuryakyn 8123 Chrome Tappet Block Cover Add some sparkle to your motor with these stylized chrome Tappet Block Covers and trim piece. These metal covers bolt directly over the bottom of your pushrod tubes and are finished off by installing the bottom trim piece. Stand back and look at the chrome flowing from your pushrod tubes all the way down your bike. Sold as a set. Note: Add the Kuryakyn Cylinder Base Covers (sold separately) to complete the chromed base of your motor.