1964-87 Chevy, GMC Truck Headers, Ceramic Coated Vacuum Pumps and Reservoirs All hinged joints have sealed

All hinged joints have sealed roller bearings for smooth movement and lasting quality

Our booster kits mount in the factory location

3" Front Drop / 4" Rear Drop

Thread Size & Nut Hex Size

00" piston bore

1964-87 Chevy, GMC Truck Headers, Ceramic Coated Vacuum Pumps and Reservoirs All hinged joints have sealedThese really are the best headers for your Custom Chevy Truck. The heavy duty design will allow you to feel the extra power gains and will help improve your gas mileage. Along with those savings, you will also add horsepower. Ceramic Coated is an Upgrade over stainless steel headers. Helps last longer, give you lower underhood temperatures while looking great. Fits the following small block engines: 283 400 SB Chevy 2 1 2 Collectors 3 8 Header Flange