M&W piston rings

keith52

New User
I have a 1948 case DC with 4" M&W pistons #AP-8-S and in need of a 4 sets of rings for it. I have run into dead ends trying to find them does anyone know where to get a set of rings and cost for them. Any help will be appreciated.

Thanks Keith
 
Typed M&W piston rings into my address line and had several listings including our own YT mag parts. If you still don't find them
call YT parts. They have a lot of parts not listed. C
 
Dave Reed got me a set for the 4 1/16 pistons in December. You will find him at Otto gas engine works if you google him. $100 should come close.
 
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I was not aware that M&W made a 4" set for the DC. M&W made 4 1/16 in a flattop that was down the bore probably 1/4 in. and their desirable popup design.

Case went to 4" from 3 7/8 in later production DCs. At any rate, an engine rebuilder that deals with Hastings can get them special order to your specifications, all they need is the width of the rings and the style top ring you want. For my builds I use Moly top rings in lieu of Chrome but that is a matter of preference.
 
Hastings makes the piston ring set you need. The hastings part number is: 2C7997 for the 4" M&W set. the set includes 8
3/32" compression rings, 4 1/8" compression rings, and 4 1/4" oil rings.
 

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