Tri-Y Headers for 63-91 GM Truck 265-400 SBC 2/4 WD 1-5/8in Primary D300Y-SS bump-stops 5L V8 1971 Chevrolet Chevelle

5L V8 1971 Chevrolet Chevelle SS 307/5

Black Series LED - 2" Pair - Flood - Flush Mount

Note: Does not fit B&M shifters manufactured after 1981

Velocity Black 2 5/8" Cylinder Head Temp

Tri-Y Headers for 63-91 GM Truck 265-400 SBC 2/4 WD 1-5/8in Primary D300Y-SS bump-stops 5L V8 1971 Chevrolet ChevelleOverview: 63 91 GM Truck SBC Tri Y Stainless 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: Natural stainless steel finish offers superior