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When using this Head Assy as replacement on early 1962 production models the old Exhaust Valve Rotator 3735275 can be used but Valve Spring Shim 3764539 must be used to obtain the correct valve spring |
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design 3735275 8 2 50 ROTATOR ASSY exhaust 1 Vl O D x thk stamped GM Note 2 NOTE 2 Used in early 1962 production See Group 0 269 Head Assy 3820640 for note relating |