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1986-1997 Mercury Cougar
This kit allows you to adjust your idle speed from inside the cockpit
Hard Anodized Aluminum Coating Penetrates Aluminum For Wear and Corrosion Resistance
as well as a narrow-band simulator function that allows you to feed your engine's computer a factory signal while using the wide-band sensor for air/fuel measurement
1975-1978 GMC C25
Schoenfeld SB Chevy Modified Headers - Spread Port - 1-3/4" - 1-7/8" Tube Diameter EX-SPK-XR 1986-1997 Mercury CougarEllis Modified Header. Bolts and Gaskets included. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends, exhaust reducers, header gaskets, and more.
