The results are is a muffler system that will perform without ear shattering noise

4 kW which is identical to standard

With flat side plates like OEM

used in various applications

Lifter Block Set Chrome Sportster 4&5 speed The results are is aChrome plated steel. Reproduction part. Will fit all 53 84 Big Twin models but earlier 53 E76 model OEM screws do not have the flat base screws that are required for the late model tappet blocks. A special conversion screw set is required for 53 E76 models that will fit the different threads that are used in 53 E76 crankcases. (like 502990 allen head or 513555 acorn). Repl. 18602 80A rear and 18603 80A front tappet guides. Note: 53 E76 models require