Installed pressure 217 lbs at 1.789″, open pressure and height 415 lbs at 1.215″, coil link at 1.125″.
Direct replacement, installs without machining or cleaning the rocker box.
High-strength chrome-plated silicone wire with shot-peened heat treatment and Super NexTex®
Kits include springs, lower collars, titanium upper collars, shims, cotter pins, and Viton® seals.
Compatible with:> 84-99 Evo BT; 99-04 Twin Cam; 86-03 XL (NU)




