S&S, top end gasket kit. 4-3/8" bore - 99-17 style S&S T143 (Twin Cam style) 143" T-series engines; 84-99 style S&S V-Series (Evo B.T. style) 145" Tribute engines 989251 Temperature range -60°C to +250°C
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

























