Custom Cycle Engineering 2-Cycle Motorcycle & Snowmobile Oil
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Custom Cycle Engineering: USA-Made Harley-Davidson Aftermarket Parts Since 1967
Custom Cycle Engineering (CCE) has been a cornerstone of the Harley-Davidson aftermarket since Randy Smith founded the company in 1967. A true pioneer, Smith was among the first builders to develop custom aftermarket components for V-twin motorcycles, and the brand quickly became synonymous with extended fork tubes and innovative chassis upgrades. Today, CCE remains a family-owned operation based in Oceanside, California, with a crew whose average tenure spans over two decades — a testament to the company's commitment to craft and continuity.
Built in the USA, Built to Last
What sets Custom Cycle Engineering apart is a simple but rare distinction: every product is manufactured entirely in their own San Diego-area facility. Their flagship fork tubes begin as specially ordered DOM 1026 steel tubing, which is centerless-ground to OEM outer-diameter specifications, precision-machined on the inner diameter, buffed to a mirror finish, and then finished in show chrome, hard chrome, DLC (Diamond-Like Carbon), or other advanced coatings. This end-to-end domestic manufacturing process means CCE can claim something few competitors can — they are the only American company that makes their fork tubes entirely in the USA from start to finish.
CCE's fork tube lineup covers every Harley-Davidson model all the way back to 1949, with sizes ranging from 4" under stock to 20" over stock FL — giving builders and riders unmatched fitment options for choppers, baggers, Sportsters, Dynas, Softails, and Touring models alike.
A Full Ecosystem of Chassis and Suspension Components
While fork tubes made CCE's reputation, the brand has grown into a comprehensive source for Harley chassis and handling components. Their swing arm bearing retrofit kits are engineered for late-model Touring platforms, converting swingarms to a more modern bearing setup complete with pivot axle hardware. For riders looking to tighten up the front end feel, CCE's steering damper systems are purpose-built for FLHT-series Touring motorcycles and carry strong customer ratings for improving high-speed stability.
On the engine side, CCE's adjustable engine mount brackets are designed for Harley Dyna models, addressing the vibration and alignment issues that can arise from high-mileage or modified powerplants. Meanwhile, their wheel spacers — including popular narrow-to-wide glide conversion disc spacers — give builders the flexibility to run different wheel and brake configurations without fabricating custom hardware.
CCE has also pioneered several proprietary systems, including the "Mad Dog" mounting system for FXR and FLH models, which uses a clamping bushing design similar to their triple tree architecture for enhanced stability and vibration reduction. Their fully adjustable 49mm cartridge kits, designed to work with their complete fork tube line regardless of length or finish, reflect the same engineering philosophy: parts that work together as a system, not just as individual components.
Trusted by Builders, Riders, and Restorers
Whether you're restoring a vintage Panhead, customizing a modern bagger, or building a ground-up chopper, Custom Cycle Engineering has decades of fitment knowledge baked into every part they produce. Their catalog of over 100 products spans the full spectrum of Harley-Davidson chassis customization, making CCE a go-to resource for riders who refuse to compromise on quality or American craftsmanship.