124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 88A Twin Cam 1976 Features an all new headpipe

Features an all new headpipe design stepped for performance from 1-3/4" to 1-7/8" that merge into a long stainless megaphone muffler with a tig welded 50th anniversary logo

Idle Mixture Screws with O-Ring - Super E/G - 5 Pack

S&S recommends that adjustable pushrod/cover kit be used (sold separately)

Carhartt-strong

Balance gear is installed for easy installation

124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 88A Twin Cam 1976 Features an all new headpipe124" Hot Set Up Big Bore Stroker Wrinkle Black 88A Twin Cam For non balanced Twin Cam models Converts a stock engine to 124" using the stock crankcases Include S&S Super Stock 91 cc cylinder heads , 4. 125 bore cylinders, forged big bore flattop pistons, S&S 4. 625 stroke flywheel assembly, S&S 640 gear drive Easy Start cams, S&S premium tappets, S&S adjustable pushrods, roller rocker arms, and all hardware, gaskets and instructions Made in the USA