Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The JBA Tri‑Y long‑tube header for 1967–1970 Ford Mustang 390–428 FE big‑block is a raw 409 stainless steel Tri‑Y header tuned for high‑rpm efficiency and greater horsepower and torque throughout the rev range. It features large mandrel‑bent primaries, oversized exhaust ports, 3/8" CNC laser‑cut flanges and JBA's patented Firecone merged collector. O2 provisions, quality hardware and detailed instructions are included. For closed‑course competition use only.
JBA 67-70 Ford Mustang 390-428 FE 1-3/4in-2-1/2in Primary Raw 409 Tri Y Header
