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Help with Ring ID
I just bought a set of TRW piston's, 30 over, forged, off ebay for $315 (428 SCJ). Asked the guy about ring sizes and he threw in a set for free! Problem is, I am not sure what I have here. They are Speed-Pro, and here is what is on the box:
8 - 4.130 x 5/64 BR-18PF-24 Top Gr. 8 - 4.130 x 5/64 RBT-10-50 2nd Gr. 8 - 4.130 x 3/16 SS-50U-617 Btm Gr. 400PR 18-18-21 10-76 SS-50 OIL RING R-9221 0.035 M4 What does "broken set" mean? What material are they made of? Thanks!! Mike |
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