Engine

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast-in iron liners...

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast-in iron liners...

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast-in iron liners...

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast-in iron liners...

Cylinder and piston kits contain S&S 3-1/2" bore (80") cylinders and forged pistons, rings, wrist pins, and head and base gaskets The pistons included are flat-topped forged pistons designed to be used with either stock cylinder heads or with S&S...

High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and roller bearings Rods are deep-forged and heat-treated, 0.120" wider than stock in the I-beam section and feature...

Fully engineered to utilize Evolution lifters and cams in Shovelhead engines Includes polished billet lifter blocks, 84-99 style lifter set, gaskets, pushrod clips, mounting hardware and a set of Quickee pushrods Evolution cams are sold separately (see...

Start any engine regardless of displacement or compression ratio with a stock starter Save your starter and battery; tested for 10,000 starts without running battery down Allow for easy start by initially reducing crank compression, but once the engine...

Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit Rocker Arm Shafts Replace broken or worn OEM pieces with stronger, more durable S&S performance parts Direct replacement for stock parts...

Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves Forged pistons -...

Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves Forged pistons -...

Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves Forged pistons -...