Showing 1–12 of 22 results
* 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 *…
* 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…
* Designed for Harley-Davidson heads* Same Guide fits Inlet & Exhaust* Use with OEM style valve seals * Manganese-Bronze* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished* OD = .625in. Std size* ID = .375in.* AV-VGRC-3782 Reamer recomended for AV&V guides & valves * Replaces OEM # 18109-81
* Designed for Harley-Davidson heads* Same Guide fits Inlet & Exhaust* Use with OEM style valve seals * Manganese-Bronze* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished * OD = .566in. Std size* ID = .375in.* AV-VGRC-3782 Reamer recomended for AV&V guides & valves * Replaces OEM # 18138-79
Engine Kits Includes:* 4 valves, a complete OEM replacement-style spring kit, steel retainers and keepers.* Made in the USA* Replaces OEM # 18203-57A, 18204-57A, 18220-57, 18221-57B & 18033-80 / 18027-80Suggested Additional Purchase:Top End Gasket Kit # JGI-17030-72-A
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 !
* OEM Style, Inside Diameter = .625in.* Use with AV-VG5400 series valve guides* Requires tool AV-VSD-W* Sold as a pack of 4.
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 !
* OEM Style, Inside Diameter = .562in.* Use on BT’48-79* Use with AV-VG5300 series valve guides* Requires tool AV-VSD-B* Sold as a pack of 4.
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