Cometic 2014+ Harley-Davidson Twin Cooled 3.937 .045 MLS Head Gasket 1959-gmc-pm150-base-esi7361883 aFe POWER's Twisted Steel long

aFe POWER's Twisted Steel long tube header and connection pipe deliver +24 HP and +27 lbs

The air filter is located above the driver's side wheel well which is designed to reduce intake air temperature and increase horsepower

TS1-HDR4 kit features ACT's most popular Heavy Duty pressure plate

Constructed from mandrel bent stainless steel tubing this mid-pipe creates a noticeable performance gain and improved tone

Cometic 2014+ Harley-Davidson Twin Cooled 3.937 .045 MLS Head Gasket 1959-gmc-pm150-base-esi7361883 aFe POWER's Twisted Steel longThe embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes The center or shim layer is an uncoated stainless steel layer which can be varied to accommodate multiple thickness requirements Requires less clamp load creating less bore