Patriot Header Flange Kit - GM LS1 - 3/8 Thick 1443A21 Features:Direct plug-in to factory GM

Features:Direct plug-in to factory GM LS sensors and coilsPreprogrammed to run the GM CT525 crate engine out of the boxLaptop programmable RPM limit

the harmony of every detail and the choice of the best materials

Can only be used with 553-106 or 553-109 (comes supplied with 553-109)

1980-1996 Ford Bronco

BBC Timing Cover

Patriot Header Flange Kit - GM LS1 - 3/8 Thick 1443A21 Features:Direct plug-in to factory GMPatriot Exhaust H7893 Chevrolet LS1 LS6 1 5 8" 1 3 4" Round Port Header Flanges. Precision machined header flanges Heavy duty 3 8" thick material Supplied with our premium head gaskets A wide variety of tube diameters and port shapes available; Patriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. This year's product offering presents sixteen new applications for popular muscle cars and trucks including