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Stems are centerless ground for a longer life
All kits include an installed Throttle Sleeve
• Designed to accept Ness custom covers for exposed look and factory air cleaner covers if noted
The jacket comes with press studs at the biceps
Description for Arlen Ness Big Sucker Performance Air Cleaner Kit - 18-826
AV&V AV-1720B Intake Valve for 1200cc Sportster 88-03 OEM Replacement Stems are centerless ground for* 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 # 18023 87 Head Dia = 1. 720in. OAL = 4. 480in. Stem Dia = 0. 3108in.