I'm rebuilding a '76 450SL w/ CIS and I'm having trouble finding oversized rings, rods and mains. Whats up with that? That engine isn't that odd. Does anyone know where I can find these parts? Thanks.

Sorry I cant answer your question, but you might try posting this question in the SL forum here as well!

Have you measured the crankshaft jounals for wear? I would have them reground only if they are out of spec. Oversize rings can only be used with oversized pistons. Do you already have the pistons? Once again I would measure the bores and determine if they need to be bored oversize. Main bearings .25 undersize are available from Rusty at www.*************** they are $101.00. I'm sure he can also source the rod bearings give him a call at (800) 741-5252. Tell him Bill Reimels sent you... Total Seal sells rings for this application. I have used their gapless rings in other applications with great results.

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Bill Reimels
Now down to one:
1972 300SE 3.5 W109 (Euro delivery)

The engine was already machined, rods and mains .25mm and over bored .5mm. I'll call your place when they open, Thanks, Billrei