Showing 1–12 of 132 results
* Designed for Harley-Davidson heads* Use with OEM style valve seals * Cast Iron* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished – Requires honing* OD = .5655in. Std size* ID = .339in.* Replaces OEM # 18172-57B
* Designed for Harley-Davidson heads* Use with .420 Viton # AV-V312420B or OEM valve seals * Manganese-Bronze* .050in. shorter seal area for high lift applications* Profiled for optimum airflow. * High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished * OD = .5625in. Std size* ID = .3090in.* Replaces OEM # 18101-83C*…
Note: Maximum Recommended Lift = .600in.* Beehive steel valve spring kit* Use with OEM style AVV guide seals* Fits both Single & Triple groove valves* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* Resist pressure loss & fatigue associated with extremely aggressive cams in high compression engines* Reduce vibration & harmonics* Includes…
Features & Benefits * Works well with cams up to .615in. lift* High Performance conical single wire spring* Kit Includes: Springs, Top Collars, Keepers, Bottom Collare/SealsTech 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 of Valve Springs &…
Features & Benefits:-* Works well with cams up to .605in. lift.* High Performance conical single wire spring.* Includes Springs. * Includes Top Collars. * Includes Keepers.* Includes Bottom Collars & Seals.* Sold as a Kit.Tech Tips:-* Rocker box clearance must be checked.* Spring travel must be checked.* Valve timing must be accurate.* Over revving will…
Note: Maximum Recommended Lift = .650in.* Beehive steel valve spring kit* Ultra pure chrome silicon+Nickle spring wire* Extra processing for fatigue resistance* Resist pressure loss & fatigue associated with extremely aggressive cams in high compression engines* Reduce vibration & harmonics* Includes springs,retainers & upper & lower collars* 185lbs@1.860, 370lbs@1.250in.* coil bind 1.150in.* Small end ID…
* Stock length & head diameter – 1000cc Ironhead Models* 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…
* 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…
* High Flow* one piece forged racing grade stainless steel alloy. * Black Nitride 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 installationHead Dia = 1.900in.OAL = 4.455in.Stem Dia = 0.2757in.
* 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…
* 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
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