Tri-Y Headers for 68-91 GM Truck 396-502 BBC 1-3/4in Primary D303Y tailgates-and-liftgates Year Make Model Submodel Engine

Year Make Model Submodel Engine Size 2010 Jeep Grand Cherokee S Limited 345/5

all add up to reducing the shifter throw by 37% and provide smooth precise shifts over the factory OEM shifter

Application Ford 351W Brand Holley EFI Color Black Emission Code 3

Peterbilt 385 (2002)

Tri-Y Headers for 68-91 GM Truck 396-502 BBC 1-3/4in Primary D303Y tailgates-and-liftgates Year Make Model Submodel EngineOverview: 68 91 GM Truck BBC 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