Patriot Exhaust Tri-5 Headers - 1.625 in Primary - 2.5 in Collector - Metallic Ceramic - Small Block Chevy - Chevy Fullsize Car 1955-57 - Pair 41010010 3-1/4" ABS Base

3-1/4" ABS Base

875 in x 3

Adjustable design provides increased travel over stock release bearing

Designed for engines that oil through rocker shafts

Reduced fuel pressure at idle is required to properly seat at idle

Patriot Exhaust Tri-5 Headers - 1.625 in Primary - 2.5 in Collector - Metallic Ceramic - Small Block Chevy - Chevy Fullsize Car 1955-57 - Pair 41010010 3-1/4" ABS BasePatriot Exhaust H8025 1 1 5 8" Tri 5 Header Chevrolet Passenger Car Wagon Small Block Chevrolet 55 57 Metallic Ceramic Coating. Our popular 55 57 Chevy passenger car headers for small or big block and LS1 LS6 swaps. Durable 18 gauge tubing Comes complete with gaskets, header bolts and collector reducers. Available in three finishes raw steel for individual customizing, Hi Temp Black coating or Metallic Ceramic Thermal Barrier coating Limited One Year