Stihl MS660 Manifold Clamp No. 9771-021-2620. Size: 36 x 5. This is a quality aftermarket part that replaces stihl chainsaw part numbers 9771 021 2620 and 97710212620.
Stihl MS381 Intake Manifold Hose Clamp No. 9771-021-2580. This is a quality aftermarket Stihl Chainsaw part. Measurements are 34mm X 7mm. Replaces part numbers 97710212580 and 9771 021 2580.