Macs Silicone Header Pipe Connector .35-.91Tower Stock# LXZ669 • Manufacturer Stock# 9171
Notes from our tech department:
It is 2 inches long and has an inner diameter of 5/8 inches.
It also includes to cinch straps to hold it on tight.
In general, this will fit a .35 - .91 size engine.
heath! 3 Feb 93