Stainless Works Merge Collector 2-3/8" Primaries 4-1/2" Outlet Bead Breaker These are to be used

These are to be used with 12 volt systems only

Billet Specialties engine accessories finish your motor with high tech style and top quality materials

The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)

A more accurate

Up to 25 Degrees Retard

Stainless Works Merge Collector 2-3/8" Primaries 4-1/2" Outlet Bead Breaker These are to be usedMerge collector slip fit style, 2 3 8" primaries, 4 1 2" outlet, stainless steel. Collector with reverse cone, All TIG welded. Stainless Works is an industry leader in stainless steel performance headers and exhaust systems. In addition to designing our wide range of after market headers and exhausts, we manufacture them on site, right here in the United States.; We are constantly adding new products for a variety of new car and truck models as well