Valve Spring Kit. Fits Big Twin 1948-1984. .470in. Lift. - AV&V Cylinder Heads & Parts - Vintage * Dyna 2008up requires purchase

* Dyna 2008up requires purchase of Softail OEM Oval Air Cleaner Cover

Fitment:- Requires a 15″ Big Brake upgrade or a 6 Piston Caliper

sticky or frozen valve action

ng Idle Cable # MS-44368

Valve Spring Kit. Fits Big Twin 1948-1984. .470in. Lift. - AV&V Cylinder Heads & Parts - Vintage * Dyna 2008up requires purchaseNote: Maximum Recommended Lift = . 470 * 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 48A Tech 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