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required if replaced head has spring seats which can be transferred NOTE Exhaust Valve Rotator 3819334 is used with this Head Assy in late 1962 production When using this Head Assy as replacement on early |
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design ROTATOR ASSY exhaust 1 O D x thk stamped GM A 3819334 8 1 85 55 62 ALL 8 cyl exc 322 348 409 ROTATOR ASSY exhaust |