Tri-Y Headers for 66-70 Ford 351W Windsor W/O EGR/A.I.R. 1-3/4in Primary D669Y tank-to-pump allowing for quicker stops

allowing for quicker stops

7L V8 1986 GMC C2500 Suburban 305/5L V8 1986 - 1995 GMC C2500 Suburban 350/5

11/8 V 1992 - 2000 Chevrolet C3500 4

BLC-140-SS

6L V8 400 CID 1970 Buick Sportwagon 7

Tri-Y Headers for 66-70 Ford 351W Windsor W/O EGR/A.I.R. 1-3/4in Primary D669Y tank-to-pump allowing for quicker stopsOverview: 66 70 Ford 351W Tri Y Silver Ctd Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. Features: 3 8" thick machined flanges to prevent warping CNC