BIG DOG S&S 4 1/8 BORE POLISHED FRONT HEAD 111 117 124 VALVES & BEEHIVE SPRINGS

,

 FRONT HEAD ONLY


 NEW BIG DOG S&S CYCLES FULLY POLISHED FRONT CYLINDER HEAD. P/N 91-1289 F. 4 1/8" BORE FOR BIG DOG 117 ENGINES. THESE WERE STOCK APPLICATION FOR ALL 2005-2011 BIG DOG MOTORCYCLES WITH 117" S&S SUPER SIDEWINDER PLUS ENGINES. ALSO FITS ALL AMERICAN IRONHORSE 4 1/8" BORE ENGINES, (111" 117" 124").
THESE FIT S&S S/A (SPECIAL APPLICATION) ENGINES ONLY. WILL NOT WORK ON HARLEY EVO OR TWIN CAM CYLINDERS.
BRAND NEW WITH VALVES & BEEHIVE SPRINGS. THESE HAVE PROVISIONS FOR COMPRESSION RELEASES.