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 555693 Complete with pop-up gas caps

Complete with pop-up gas caps

Features and Overview: The Competition Series 2-into-1 is an ultra-high performance drag race exhaust system developed by the R&D team at the race shop in Indianapolis

Used in combination with the stock 40mm CV (Constant Vacuum) carburetors

Mounts to most custom fenders and is adjustable to accept almost any license plate

Perfect for a stock rebuild

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 555693 Complete with pop-up gas caps4 3 8" bore. S&S base pattern. Note: Designed for use with S&S engines. Note: Does not include a rocker cover gasket kit. This must be ordered separately.