Larger Internal Diameter: 159mm
Larger Outside Diameter: 169.6mm
Smaller Internal Diameter: 102mm
Smaller Outside Diameter: 112.6mm
Overall Length: 127mm
Recommended Hose Clamp (Guide Only):
Worm Drive Clamp: AF23-9114 (Small Side)
Constant Tension Clamp: AF28-1517/AF28-1517BLK (Large Side) and AF28-1012/AF28-1012BLK (Small Side)
T-Bolt Clamp: AF24-1412 (Small Side)