Complete Valve Spring Kits For Big Twins And Sportsters PART #:927A1 3 - PIECE INDEPENDENT DUAL

3 - PIECE INDEPENDENT DUAL HEADPIPES

and internally threaded bungs on both sides for aftermarket 1/4" petcocks

and an over the transmission rear pipe to blend nostalgic and contemporary looks on your rigid framed 1936–1947 Knucklehead

1300SM Sold each (not shown)

725D 1-3/4"-diameter clamp with tail

Complete Valve Spring Kits For Big Twins And Sportsters PART #:927A1 3 - PIECE INDEPENDENT DUALIncludes springs, collars and keepers. 927I For 19811984 Shovelhead Big Twins (OEMs 18201 82, 18202 82, 18209 81, 18222 81 and 18228 36) 927J For 19842004 Evolution and Twin Cam 88 Big Twin engines, and 19862003 Evolution Sportsters (OEMs 18201 83, 18202 83, 18219 83, 18222 83A and 18229 83) 927A1 For 19521953 K models (OEMs 18165 41, 18201 52, 18220 30, 18223 53 and 18228 30) 927A2 For 19541956 K models (OEMs 18165 41, 18200 32, 18220 30 and 18228