Stainless Works Long Tube Header Kit (FOXTW2) - 1979-93 Mustang GT Small Block Twisted Wedge

Take your Foxbody Mustang’s small block to the next level with the Stainless Works Long Tube Header Kit for Twisted Wedge–style heads. These headers are built for serious performance and precision fitment, delivering maximum exhaust flow and that aggressive tone every enthusiast craves. Perfect for high-horsepower builds, this system enhances both power and throttle response while maintaining reliable street or strip performance.

Constructed from premium 304 stainless steel, this kit is engineered to fit cylinder heads featuring a 2-o’clock, 8-o’clock bolt pattern. Designed for 9.5” tall deck applications, it accommodates popular heads like Trick Flow, AFR, Dart, and Edelbrock Victor Jr. With your choice of 1-7/8” or 2” primaries and 3.5” merge collectors, these headers are compatible with UPR or AJE K-members and TH400 automatic transmissions for smooth installation and perfect alignment.

Features

• Durable 304 stainless steel construction for long-lasting performance
• Optimized for small block Ford Twisted Wedge and similar cylinder heads
• Choice of 1-7/8” or 2” primaries with 3.5” merge collectors
• Works with TH400 automatic transmission setups
• Fits with UPR or AJE K-members and transmission crossmembers

Fitment

- 1979 Ford Mustang GT (Small Block Twisted Wedge)
- 1980 Ford Mustang GT (Small Block Twisted Wedge)
- 1981 Ford Mustang GT (Small Block Twisted Wedge)
- 1982 Ford Mustang GT (Small Block Twisted Wedge)
- 1983 Ford Mustang GT (Small Block Twisted Wedge)
- 1984 Ford Mustang GT (Small Block Twisted Wedge)
- 1985 Ford Mustang GT (Small Block Twisted Wedge)
- 1986 Ford Mustang GT (Small Block Twisted Wedge)
- 1987 Ford Mustang GT (Small Block Twisted Wedge)
- 1988 Ford Mustang GT (Small Block Twisted Wedge)
- 1989 Ford Mustang GT (Small Block Twisted Wedge)
- 1990 Ford Mustang GT (Small Block Twisted Wedge)
- 1991 Ford Mustang GT (Small Block Twisted Wedge)
- 1992 Ford Mustang GT (Small Block Twisted Wedge)
- 1993 Ford Mustang GT (Small Block Twisted Wedge)

Additional Fitment Notes:

- Fits 9.5” tall deck cylinder heads including: Edelbrock Victor Jr., AFR 165/185, Trick Flow, Twisted Wedge, SVO/GT40, Brodix St., and Dart 170/195
- Designed for 2-o’clock, 8-o’clock bolt pattern cylinder heads
- Compatible with TH400 automatic transmission
- Works with UPR or AJE K-members and trans-crossmembers
- Note: Not compatible with QA1 K-member

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