This listing is for a new AMS67.50MM CUSTOM Teflon button set for Wiseco (S522) 15mm wrist pins used in the Honda CB, CL SL350 series engines with a 67.50mm bore. This product may or may not have other applications.
NOTE: Please look at the pictures closely as these are custom made for the S522 pin and a 67.50mm bore. We custom manufactured these specifically for the CB350 engine using a 67.50mm bore in the AHRMA Racing Series. We have seen other standard designs of the aluminum or teflon buttons "escape" the wrist pin during the rigors of racing. This product is both tapered to fit further inside the tapered bore of the S522 Wiseco pin and also machined at the bore contact area specifically for the 67.50 bore.
Note 2: Set of four (4) as shown in picture 1: 49.96
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