See more: Headers
1966 thru 1969 FL models (OHV 74CI Big Twin), also known as Shovelhead
These 3-piece crossover header sets have the stock 1 3/4" (45mm) in diameter. Installation requires hand fitting during final assembly. It is required to loosen motor mount bolts during installation to allow pipes to adjust to motor position. Then re-tighten engine bolts. Headers have a chrome finish.