Stainless Works Headers - 1-7/8" Primary - 3" Collector - Y Pipe Included - Catted - Stainless - Natural - GM Fullsize Truck 2019-20 Overflow Tanks & Catch Cans a special weight and spring

a special weight and spring assembly is hand fitted and dialed-in using a distributor machine for a precise timing curve that will match the specifications of your engine and vehicle

Open Plenum DesignFord Racing offers a variety of products for hard core racing and street vehicles

GMC: Sierra 1500 19 - 19

which allows the spark to naturally seek the path of least resistance

This 100cc glass buret replaces the buret that comes with our 4974 100cc professional head cc kit

Stainless Works Headers - 1-7/8" Primary - 3" Collector - Y Pipe Included - Catted - Stainless - Natural - GM Fullsize Truck 2019-20 Overflow Tanks & Catch Cans a special weight and spring2019 plus Chevy Silverado and GMC Sierra, 304 stainless steel, 3 8" thick flange, CNC mandrel bent 1 7 8" primaries into a 3" Slip fit collector. Catted leads, comes with Y pipe to connect to your factory exhaust. Vehicle Applications: 2019 2020 GMC Sierra 1500 2019 2020 Chevrolet Silverado 1500 Stainless Works is an industry leader in stainless steel performance headers and exhaust systems. In addition to designing our wide range of after market