Fits GM LS Engines with 3/8" Wide Flange 2019 Chevrolet Camaro 5-inch DOM tubing

5-inch DOM tubing

All of our Exhaust Manifold Flanges have had their exhaust port size optimized for either standard wall round tubing or Schedule 10 weld fittings

Compatible with new or used antifreeze (including DEX-COOL and long-life versions) to improve the heat transfer of ethylene and propylene glycol systems

all big blocks except drag

as well as a durable glossy powder coat finish for long-lasting durability

Fits GM LS Engines with 3/8" Wide Flange 2019 Chevrolet Camaro 5-inch DOM tubingEach PROFORM Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft lbs, the washers super hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self locked in this manner, any bolt loosening rotation is blocked by a wedge locking action created by the washers interfacing, matching cams. Its an uphill climb: vibration that might