Why You Need This: These split collars sit between the exhaust headers and the clamps that hold them to the cylinder head. It's fairly common for them to go missing, so if that has happened to you then you've come to the right place.

Installation Tip: Collars may not look exactly like the originals, but are indeed OEM Honda parts that should fit the models listed below. Be sure to use anti-seize on threaded exhaust components. While you're at it you might as well run some fresh exhaust gaskets.

Note*: K0 and mid production K1 bikes use a different collar that is longer than these because the header pipes have a very thin flange that touches the copper exhaust gasket. Originals for the K0 & K1 are obsolete. Parts will have to be found as used or new old stock. If you change the header pipes to K2 and up 350's that use the thicker flange to make the pipes and our exhaust collars fit properly.

These Exhaust Collars Fit These Honda Motorcycles
	1968	1969	1970	1971	1972	1973
350	CB350K0*	CB350K1*	CB350K2	CB350K3	CB350K4	CB350K5
	CL350K0*	CL350K1*	CL350K2	CL350K3	CL350K4	CL350K5
		SL350K0*	SL350K0*

Reviews Sorting

Exhaust Collars

These are not easy to find. The collars fit perfectly and II was glad to get them. Someone had put 3 small collars in my 350 that were obviously causing problems.

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Reviewed by: (Verified Buyer) Don Reed from Mt Pleasant. on 2/7/2020

Fits great

Perfect replacement

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Reviewed by: (Verified Buyer) Ryan Brady from Wilmington . on 3/2/2019