Tri-Y headers group the exhaust primaries in pairs to broaden the torque curve, replacing the restrictive cast manifolds. Scott Drake builds this set from mandrel-bent 304 stainless and routes it to clear the starter, steering, and shock towers on an early small-block Mustang.

Scott Drake C5ZZ-9430-SS Tri-Y Headers:

• Fits 1964-1968 Ford Mustang with the 260, 289, or 302 (157-tooth bellhousing)
• 16-gauge 304 stainless steel, mandrel bent
• 1-1/2 in. primaries, 1-3/4 in. secondaries, 2-1/2 in. to 2 in. collector/reducers
• Extra-thick 5/16 in. laser-cut flanges; includes gaskets and hardware

Emissions Note:

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has California Air Resources Board (CARB) Executive Order (EO) number D-770.

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