There are multiple options when it comes to petcock location

Reproduction of OEM# 46715-48 spring steel spider washer and 46751-48 spring used on 1949-1977 Harley-Davidson FL

Flexible Setup: Compatible with OEM-style top clamps

-Nitrogen-charged steel monotube damper bodies with hard chrome-plated shafts

Complete with locktab

Front Pipe Exhaust Clamp 2 Piece Set 1937-1969 Harley-Davidson EL FL - Parkerized OEM #65512-37 Cable End Type_Push In There are multiple options whenThis 2 piece front pipe to front frame rail exhaust clamp set is a reproduction of the originals and fits 1937 1969 Harley Davidson EL and FL model motorcycles. The perfect replacement for H D OEM part 65512 37. The Gasbox exhaust clamps are made here in the USA and true to the originals found on vintage Harley Davidsons. Exhaust clamps are available in a parkerized finish. These USA made exhaust clamps are perfect for restoring your vintage Harley