* Stock length & head diameter* Extreme Duty* High Flow* one piece forged racing grade stainless steel alloy. * Liquid nitriding process creates a valve that is smoother and stronger than O.E.M. * Stems are centerless ground for a longer life* 45o angle below the lock groove to facilitate the valve seal installation* Replaces OEM…
Note: Maximum Recommended Lift = .590in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collarsTech Tips:-* Rocker box clearance must be checked* Spring travel must be checked * Valve timing must be accurate** Over revving will lead to pre-mature failure…
Note: Maximum Recommended Lift = .530in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collarsTech Tips:-* Rocker box clearance must be checked* Spring travel must be checked * Valve timing must be accurate** Over revving will lead to pre-mature failure…
Note: Maximum Recommended Lift = .470in.* High Performance Spring Kit* Silicon & Vanadium alloy spring wire* Increased travel before coil bind* Complete Kit includes: springs, retainers, keepers & lower collars* Replaces OEM # 18202-82* Replaces OEM # 18205-57* Replaces OEM # 18222-48ATech Tips:-* Rocker box clearance must be checked* Spring travel must be checked *…
* Easy oversize identification by the part number * Easy to machine with cutter and stone * Resists severe pounding and dissipates heat better * Work-hardens during running-in * Radiused for easier installation * Replaces OEM # 18018-66* Replaces OEM # 18056-66BOD = 1.944in.ID = 1.570in.Thickness = .400in.
* Easy oversize identification by the part number * Easy to machine with cutter and stone * Resists severe pounding and dissipates heat better * Work-hardens during running-in * Radiused for easier installation * Replaces OEM # 18010-79* Replaces OEM # 18017-66* Replaces OEM # 18020-79* Replaces OEM # 18055-66BOD = 1.944in.ID = 1.570in.Thickness =…
* Stock length & head diameter* Extreme Duty* High Flow* one piece forged racing grade stainless steel alloy. * Liquid nitriding process creates a valve that is smoother and stronger than O.E.M. * Stems are centerless ground for a longer life* 45o angle below the lock groove to facilitate the valve seal installation* Replaces OEM…
Features & Benefits:-* Fits Shovelhead Engines.* Fits Intake & Exhaust.* Press-on Style Viton Seals.* Reduces Oil Consumption.* Replaces OEM # 18000-81* Sold as a Kit.Proudly Made in the USA by James Gaskets !
Features & Benefits:-* Fits Panhead & Shovelhead Engines.* Fits Intake & Exhaust.* Press-on Style Viton Seals.* Reduces Oil Consumption.* Sold as a Kit.Proudly Made in the USA by James Gaskets !
Restore your classic motorcycle with our selection of cylinder heads and parts for vintage models at Taverner Motorsports. We offer premium products from trusted brands like AVV Valves and James Gaskets Inc., which are known for their quality and authenticity.
Our inventory includes complete cylinder heads, valves, springs, and gaskets designed to fit vintage Harley-Davidson models. Each component is crafted to match original specifications, ensuring a perfect fit and authentic performance.
Whether you're working on a restoration project or need replacement parts for maintenance, Taverner Motorsports has the high-quality components you need. Trust our detailed product descriptions and expert advice to help you find the right cylinder head parts for your vintage motorcycle, ensuring it runs smoothly and reliably.