dbenichou289
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So I just received some valve seats from a TR3 supplier as I am rebuilding the cyl head, but received 3 different sizes: 20-1437-3 (1.43" OD), PC-1500-29 (1.5" OD), and PC-1625-36 (1.625" OD). Can anyone confirm/deny which size valve seats are required, for both intake and exhaust?