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* 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
* 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 = .5645in. Std size* ID = .309in.* Replaces OEM # 18176-57C
* 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 = .309in.* Replaces OEM # 18179-57C
* Designed for Harley-Davidson Milwaukee-8 heads* Use with OEM style Viton Guide Seal* Manganese-Bronze* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished * OD = .4750in. Std size* ID = 5.9mm* Length = 1.655in.* Sold Each.
* Designed for Harley-Davidson Milwaukee-8 heads* Use with OEM style Viton Guide Seal* Manganese-Bronze* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished* OD = .4758in. Std size* ID = 5.9mm* Length = 1.655in.* Sold Each.
* Designed for Harley-Davidson heads* Use with .420 Viton # AV-V312420B or OEM valve seals * Manganese-Bronze* .050in. shorter for high lift & high flow* High temp viton o-ring seal* Smooth lead-in* CNC machined* Guide ID unfinished * OD = .5625in. Std size* ID = .3090in.* AV-VGRC-3120 Reamer recomended for AV&V guides & valves *…
* Use with .530 Viton valve seals # AV-V312530* Manganese-Bronze* .050in. shorter seal area for high lift applications* Profiled for optimum airflow. * High temp viton o-ring seal* Smooth lead-in* CNC machinedTech Tips:-* Guide ID unfinished * OD = .5625in. Std size* ID = .3090in.* AV-VGRC-3120 Reamer recomended for AV&V guides & valves
* Use with .530 Viton valve seals # AV-V312530* Manganese-Bronze* .050in. shorter seal area for high lift applications* Profiled for optimum airflow. * High temp viton o-ring seal* Smooth lead-in* CNC machinedTech Tips:-* Guide ID unfinished * OD = .5875in. +.025in. OS* ID = .3090in.* AV-VGRC-3120 Reamer recomended for AV&V guides & valves * OD…
* Use with .530 Viton valve seals # AV-V312530* Manganese-Bronze* .050in. shorter seal area for high lift applications* Profiled for optimum airflow. * High temp viton o-ring seal* Smooth lead-in* CNC machinedTech Tips:-* Guide ID unfinished * OD = .5665in. +.004in. OS* ID = .3090in.* AV-VGRC-3120 Reamer recomended for AV&V guides & valves
* Use with .530 Viton valve seals # AV-V312530* Manganese-Bronze* .050in. shorter seal area for high lift applications* Profiled for optimum airflow. * High temp viton o-ring seal* Smooth lead-in* CNC machinedTech Tips:-* Guide ID unfinished * OD = .5645in. +.002in. OS* ID = .3090in.* AV-VGRC-3120 Reamer recomended for AV&V guides & valves
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