Staggered Dual Drag Pipes For 1936 - 1947 Knuckleheads gas tank With a standard outside the

With a standard outside the frame front pipe

765A Ribbed Panhead rocker arm covers for 1948–1965  engines (sold in pairs)

760 or 770 outer primary covers

355-1 7" rise

An inside-the-frame front ‘squish’ pipe

Staggered Dual Drag Pipes For 1936 - 1947 Knuckleheads gas tank With a standard outside the1 3 4" Staggered Dual Drag Pipes For 1936 1947 Knuckleheads An outside the frame front pipe, and a rear pipe that routes in front of the transmission, guarantee classic style and a throaty sound. They fit all 19361947 Knucklehead engines. 729 34" long Slash Cut drag pipes (use Paughco #725D clamps to install) 729A 34" long Goose Cut drag pipes (use Paughco #725D clamps to install) 729 40 40" long Slash Cut drag pipes with slider channels 429R Rear