HARLEY Spring Fork LED 6 Volt Headlamp Insert Fits 1937-1952 EL, 1941-1948 FL,

6 volt LED Spring Fork lamp insert is for use with the original Cycle Ray and replica V-Twin headlamps. Insert fits 6-1/2 inch stock Spring Fork headlamps. *NOTE: LED lamp has H-4 base to accept 3 prong lamp socket. Installer must connect 3 terminal block wires to original wiring. 12 LED bulbs are available separately. The original lens can also be re-used or replaced with a glass lens also available separately. FITS HARLEY: 1937-1952 EL, 1941-1948 FL,