S & S Cycle 310-0837A T143 Long-Block Engine 18mm O2 ports with 12mm

18mm O2 ports with 12mm adapters and plugs

Option: Plain Backing Plate - Red Filter

less strain on loading/ unloading

Designed and manufactured to meet or exceed OEM specs and standards

Title: DI2020 Scorcher Tire

S & S Cycle 310-0837A T143 Long-Block Engine 18mm O2 ports with 12mmManufacturer: S & S Cycle MPN: 310 0837A Title: T143 Long Block Engine Size: Option: Color: Black Fits in stock chassis no cutting or frame modifications S&S B3 cylinder heads CNC machined with 2 bolt exhaust flanges 3 Piece Flywheels S&S TC3 oil pump and cam plate S&S 635 Easy Start Gear Drive Cams S&S 1. 725: 1 rocker arms for . 674" total lift S&S Premium High Performance Tappets* Gloss black rocker covers, gear cover, tappet blocks and pushrod