Engine

3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rods Machined to accept an oil filter assembly that mounts on the front of stock motor cases All races are line-honed and breather cavity is...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see...

Stock or 4-1/8" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T143 Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum Tough powder coat finishes Reinforced...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with no...

Stock or 4-1/8" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T143 Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum Tough powder coat finishes Reinforced...

Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Feature greater overall strength than stock crankcases Strong, dependable Timken«-style sprocket shaft bearings Clearanced for strokes up to and including 5" All passages...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with no...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with no...

Replacement Flywheel Assemblies for Twin Cam Motors S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Flywheel assemblies are designed for use with Timken bearing conversion Fits directly in stock crankcases with no...