74" 3-7/16" Bore Cylinder and High Compression Piston Kit for 1966-'78 74" HD® Big Twins - Gloss Black Finish SPEAKER LIDS- BAD DAD TOURING almost no downtime is wasted

almost no downtime is wasted while upgrading your Bagger's appearance since the shroud does not even require removal of the factory tank

and cases are aligned with alignment dowels

Here are a few details you’ll ONLY find with our Original Monkey Bars

All our taillight designs are available in your choice of chrome or gloss black

You have selected the MRI Electric Center Stand Leg Kit #1-3

74" 3-7/16" Bore Cylinder and High Compression Piston Kit for 1966-'78 74" HD® Big Twins - Gloss Black Finish SPEAKER LIDS- BAD DAD TOURING almost no downtime is wastedThis kit is intended to replace the cylinders and pistons of a 74" shovelhead engine and increase the compression ratio to 9: 1. Compatible with stock or S&S cylinder heads. Kit includes S&S 3 7 16" bore high tensile cast iron cylinders, 3 7 16" bore forged high compression pistons for 74" (3 31 32" stroke) engines with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts, base gaskets