Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines SR91152PDO-5 The caps are not compatible

The caps are not compatible on any other Zamp Helmet

All welding is T

1998-2002 Mazda 626

1978-1986 Oldsmobile Cutlass

1/8' NPT gauge port

Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines SR91152PDO-5 The caps are not compatibleAluminum block off plates seal exhaust ports during engine storage or repairs. Plates help protect against moisture, dust, and dirt. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar