4 inch piston rings for an F-20

Evan Mellott · Jun 29, 2011

I was taking the stuck rings out of my 4 inch pistons and I happened to break 3 compression rings. If anybody knows where I can buy 3, 4 inch compression rings for a F-20 please let me know. The standard bore size for a F-20 is 3 3/4, but these 4 inch pistons are an aftermarket set. Thank you

Bob · Jun 29, 2011

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Dave Reed

Anonymous-0 · Jun 29, 2011

you can buy individual rings from Hastings through a parts store,they just need to know the bore size which is 4" and the thickness, I would go with a chrome ring in the top groove.

36 Coupe · Jun 30, 2011

Are you sure on the bore size?.250 over bore is a bit much.

Evan Mellott · Jun 30, 2011

It's not overbore. It has aftermarket sleeves and pistons in it.

4 inch piston rings for an F-20

Evan Mellott

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Bob

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Anonymous-0

Well-known Member

36 Coupe

Well-known Member

Evan Mellott

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