See more: Headers
Clamp kits for 1936-1940 models include clamps 65512-37, 65290-41 & 65293-50, Chrome, 3-piece set
These 4-piece header sets are designed as a replacement for the stock headers on 1936-1947 EL models (OHV 61CI Big Twin) and 1941-1947 FL models (OHV 74CI Big Twin), also known as Knuckleheads. Headers have stock 1 3/4" (45mm) in diameter. Please note that the black paint on these pipes is applied as rust prevention only. We recommend to paint them with heat resistant paint after installation.