Complete gasket kit for cam changes. Includes gaskets, seals, O-rings and cork washers. Made in the USA.
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4" HP40 slip-on muffler for select 2025 HD Softails; free-flowing 4" design improves performance and produces a deep, throaty rumble.
3.5 in HP35 Slip-On for HD: DBX-style catalyst baffle for increased horsepower and torque. Easy install, tuning recommended. OEM gaskets required (not included). No O2 sensor holes.
Heat-treated, shot-peened 1-2 shift clutch for durable, reliable replacement.
Replacement countershaft for compatible transmissions, precision machined for reliable shifting and long service life.
Replacement for stock main and countershaft 3rd. Upgraded drive slots with lead-in ramps for quicker, more positive shifting.
Complete gasket kit for both rocker boxes. Includes gaskets, seals, O-rings and bolt seals. Made in the USA.
4.5" slip-on mufflers tuned for HD touring bikes. Works with stock head pipes; DBX Performance baffle for improved sound and power. Made in USA with a Forever Warranty.
Fuel-resistant o-ring engineered for reliable clutch cover sealing. Manufactured in the USA.
Complete seal kit for the carburetor-to-intake and intake-to-head connections. Includes one carb-to-intake seal and two intake-to-head seals. Made in the U.S.A.
Complete primary gasket kit includes all gaskets, seals and O-rings for inner and outer primary. Heat resistant and does not require gasket sealer.
Complete primary gasket kit with aluminum-core, nitrile-bonded gaskets; resists 205°F+, ~85% shape recovery; includes all gaskets, seals and O‑rings; made in USA; no sealer required.
Complete set of gaskets, seals and O-rings for rocker box service; made in the U.S.A.
Complete EST top end gasket kit with embossed stainless steel head, base, and rocker gaskets, proprietary rubber sealing, and all seals and O-rings required to rebuild the top end. Made in USA.