Tri-Y Headers for 66-70 Ford 351W Windsor W/O EGR/A.I.R. 1-3/4in Primary D669Y-B IntakeManifolds 7 V8 1968 - 1971

7 V8 1968 - 1971 Mercury Cyclone 302/5 V8 1962 - 1963 Mercury Meteor 260/4

6 V8 1979 GMC C1500 High Sierra 400/6

Year Make Model Submodel Engine Size 1968 - 1971 Oldsmobile F85 350/5

Door Glass Seal Kit For Vehicles w/ Full Steel Doors

Tri-Y Headers for 66-70 Ford 351W Windsor W/O EGR/A.I.R. 1-3/4in Primary D669Y-B IntakeManifolds 7 V8 1968 - 1971Overview: 66 70 Ford 351W Tri Y Black 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