Winters Quick Change Gears - Set #52 Helmet Air System Blower Pre-Filter perfect for upgrading stock HEI

perfect for upgrading stock HEI distributors for higher RPM

7/16-14 in Male Thread

1958-1970 Chevrolet Corvette

1993-1993 Dodge Ramcharger

these Ear Cups with Speakers attach inside the helmet for easy installation and use

Winters Quick Change Gears - Set #52 Helmet Air System Blower Pre-Filter perfect for upgrading stock HEIWinters Quick Change Gears are made from SAE 8620 Steel and are 1 3 8" wide. Sets 50 thru 58 are for limited horsepower applications only. For more than 60 years, Winters Performance Products has been producing high performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick change gear sets to shifter assemblies, as well as many components specifically for the sprint car market.