This reduces the distance between the header flange and the head, which creates the same effect as loosening the bolts. Once bolt torque is lost, exhaust-gas pressure can push past the gasket.

Making sure the flange opening is larger than the head-port opening improves flow as well. "When we are determining the proper tube size for an application, we will sometimes use a stepped header ...

MTX-L PLUS Reading:Idle: 15.3Cruise: 14.1WOT: 13.2 The next most common gasket failure occurs at the header/exhaust-manifold flange next to the exhaust port.

UNI-Seal makes this gasket for header flanges as well as collectors, and it's suitable with popular engines, including small- and big-block Chevys, the Windsor Ford small-block family, and the 351 ...

CLEVELAND – Mr. Gasket, a performance automotive parts and accessories manufacturer celebrating its 50th anniversary this year, has announced the availability of its new “Dead Soft” Aluminum ...

Among the new products featured in the catalog are Fel-Pro PermaTorque MLS performance head gaskets for the following engine platforms: traditional small and big block Chevrolets, LS-based engines ...

1Pair Exhaust Manifold Headers FOR 96-04 Ford Mustang Gt 4.6L V8 Stainless Steel Ca PR and HI can't send out! Exhaust Manifold Headers FOR 96-04 Ford Mustang Gt 4.6L Stainless Steel Pair Fit: ...