Original GM #3841177 Rear Brake Drums
Original casting #3841177 rear brake drums. 9 1/2 x 2. One measures 9.565 and the other 9.568. Still within factory specs. I had these machined a couple of years ago after having them media blasted then primered. The machined surface developed some surface rust in spots. I sanded the surface with 220 grit paper. Cleaned up nice but you can still see were the rust formed. Can install as is or machine another 5 or 10 thousands. Can still read the casting #s. $175.00 plus shipping. F and F paypal please. Jim.
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