Direct drop-in replacement with PTFE-enhanced polymer, single-piston tensioner performance, and included hydraulic lash units.
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Billet vented dipstick replaces the factory oil fill, reduces blowby pressure, improves oil control and helps maintain the correct hot oil level.
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.
Alignment kit for camshaft sprocket and crankshaft on '99-'06 engines; includes front thrust washer 0.100" and rear alignment washers 0.110"–0.150".
Clean solution for installing select stock and aftermarket Harley-Davidson® gauge brackets. CNC-machined 6061 billet aluminum. Reducer shims for 1" and 1-1/4" risers.
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.
Investment-cast 4130 chromoly steel mounts with a threaded interface for easy angle adjustment; secure with the stock pivot pin or 3/8" bolts and nuts.
One-piece, fixed-length pushrod set recommended to reduce valvetrain harmonics and hydraulic lifter issues.
Tighter inner-diameter tolerance improves pinion fit and reduces cam timing variance. Made in USA.
Wide, rideable powerband for stock engines.
Split lift character with top fuel sound.
Use with stock pushrods and valve springs; lifter change recommended.
- More power than 525 cams without losing low-end torque
- Smooth, quiet valve train with refined cruise power band
- Bolt-in for stock to mid 96" and 103" engines; responds well to compression, exhaust, and air-flow upgrades