Engine

4 Valves are better than 2!! The next progression of Harley-Davidson power is happening through four valves which have different requirements for the camshaft. Chris has come up with 4 new cam lobe profiles to squeeze the performance out of the smaller...

Old-Stf Ironhead Sportster loop rocker box lines. 1/4" Brass oil lines pre- bent with all necessary fittings. Easy install, all lines and fittings are polished. Install loop up or downNo hassle kit for Shovelheads 1966-84. Heavy 1/4" Brass oil lines are...

All KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process improves wear properties, reduces friction, and provides resistance to...

Feuling Outer Cam Bearings 2075

Silent chain Exclusive heat-treated links create excellent friction and impact resistance Engineered to exceed OEM specifications and tolerances. CAM CHAIN HC92RH2010060

Silent chain Exclusive heat-treated links create excellent friction and impact resistance Engineered to exceed OEM specifications and tolerances. CAMCHAIN HC92RH2015112

4 Valves are better than 2!! The next progression of Harley-Davidson power is happening through four valves which have different requirements for the camshaft. Chris has come up with 4 new cam lobe profiles to squeeze the performance out of the smaller...

Old-Stf Ironhead Sportster loop rocker box lines. 1/4" Brass oil lines pre- bent with all necessary fittings. Easy install, all lines and fittings are polished. Install loop up or downNo hassle kit for Shovelheads 1966-84. Heavy 1/4" Brass oil lines are...

Twin Cam Cylinders Come Powder Coated Black with Machined Fins For that OEM LookTwin Cam Cylinders Sold EachGaskets Purchased Separately

Harddrive oil pumps are made from cast aluminum that is CNC machined to close tolerances and then polished to a high gloss finish. Great value for small dollars! Surplus oil is routed back to the main passage rather than the return to avoid unnecessary...

Harddrive oil pumps are made from cast aluminum that is CNC machined to close tolerances and then polished to a high gloss finish. Great value for small dollars! Surplus oil is routed back to the main passage rather than the return to avoid unnecessary...

Prominently raised design with 3 milled grooves gives your motor a beefier lookTriple chrome plated or black finish availableMatching derby covers available in the engine section