Outerwears Breather Pre-Filter w/ Top - Black - 3-1/2" Diameter x 4" Tall Proportioning Valve 1-8 in Thread Bolt

1-8 in Thread Bolt

1978-1978 GMC G15

1968-1970 Chevrolet C10 Suburban

615 in Knurl

Outerwears Breather Pre-Filter w/ Top - Black - 3-1/2" Diameter x 4" Tall Proportioning Valve 1-8 in Thread BoltOuterwears Pre filters are designed to enhance the efficiency of any performance or exposed air filter. The Pre filter is constructed with a proprietary polyester mesh with uniform micron openings, treated with an optional hydrophobic water repellent process. The mesh is UV resistant, filters debris down to . 005, is shatter proof in freezing temperatures, and resistant to heat up to 450 degrees. The material is puncture resistant and has elasticity