Engine Components

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedownsThis Part Fits:YearMakeModelSubmodel2018-2020Harley-DavidsonFLDE Deluxe 107

Twin Power™ cam cover gaskets provide reliable sealing for popular Big Twin and Sportster engines, helping prevent oil leaks while withstanding heat, vibration, and repeated service cycles.

The tendency of the stock inner primary bearing race on late model big twins to shift on the transmission mainshaft under high torque loads, also known as "walking" of the race, can cause destruction...

S&S heavy duty inner primary bearing race prevents costly damage to the inner primary mainshaft seal, output gear and bearing because it will not "walk" on the transmission mainshaft under heavy...

S&S Cycle 81-95 HD 36in Threaded Throttle Cable - Open SideThis Part Fits:YearMakeModelSubmodel1980-1983Harley-DavidsonFLT Tour GlideBase1977-1982Harley-Davidson

S&S Tappet Cuffs capture the tappets without impacting vertical motion and keeping them perfectly aligned, even in high stress, high RPM situationsThis Part...

NAMZ 14-23 HD OEM Radio Connector/BCM Connector Kit w/Mating Terminals 3 Gauge Sizes (HD 69200193)This Part Fits:YearMakeModelSubmodel2014-2021Harley-DavidsonFLHR Road KingBase

NAMZ 15-23 V-Twin Road Glide/Street Glide Plug-N-Play Speedometer/Tachometer Extension Harness 20in.This Part Fits:YearMakeModelSubmodel2016-2019Harley-DavidsonFLTRU Road Glide UltraBase

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedownsThis Part Fits:YearMakeModelSubmodel2018-2020Harley-DavidsonFLDE Deluxe 107

Twin Power™ rocker box gasket kits include the critical gaskets needed to reseal rocker boxes on popular Big Twin and Sportster engines, helping control top-end oil leaks.This Part...

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing...

Twin Power™ rocker box gasket kits include the critical gaskets needed to reseal rocker boxes on popular Big Twin and Sportster engines, helping control top-end oil leaks.This Part...