Valve stem intake oil seal. 4 required. Worn valve seals can cause smoke problems and cause oil to escape past the valve stems. These will fit the F Head 134 and 161 engines. 0.38 ID. Fits:
Bought a radiator cap. It's the wrong one. Shipping was almost the same as the part. Returning it would be 10 0/0 restock plus shipping cost. All I'd recoup is about half the original part cost. Why waste the time. Went to eBay. Free shipping and free returns for full refund.