4.0 Mustang spec line cleanup
#39831 from David Mead · Rule change · TB 26-03 (2026-03 Fastrack)
In T4 Spec Lines, Ford Mustang V6 (05-10), change Notes as follows:
"ABS (option code 552) allowed. FR3 Handling Pack #M-2007-FR3V6 allowed (kit does not need to be run in its entirety). The kitincludes: Dampers M-18000-A, Lowering Springs M-5300-N, Sway Bars M- 5490-C, Strut Tower Brace M-20201-F. FordPositraction LSD part #M-4204-C75 is allowed. Any springs max F: 500 and R: 400 permitted. Any sway bar up to F: 35mm and R:28mm permitted. Aftermarket Shocks conforming to T4 rules allowed. Panhard bar, part # BAR-M-4264-A permitted or any panhard bar permitted must be set at same length as a stock bar, center mounting hole to center mounting hole +/- 0.25 inch. Analternative steel drive shaft is permitted; this drive shaft is otherwise unrestricted, but no modifications to other componentsare permitted to facilitate its installation. An Aluminum driveshaft is allowed. Any LSD permitted. Ford brake kit M-2300-D
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allowed. Aftermarket header allowed. GT 8.8 rear axle assembly allowed. 3.45 or 3.55 final drive ratio allowed. 7.5 rear axleassembly with 3.45:1 final drive allowed. Cold Air Intake allowed. Koni part numbers 8741-1494SPORT (front) and 8241-1240SPORT (rear). Spec clutch #SF661 and flywheel #SF66A permitted. 14” Brembo Brake Kit#M-2300-S permitted Any springs
max F: 500 and R: 400 permitted, Any sway bar up to F: 35mm and R: 28mm permitted. Any pan hard bar permitted must be set
at same length as a stock bar, center mounting hole to center mounting hole +/- 0.25 inch. Any alternate metal driveshaft is
allowed. Ford brake kit M-2300-D allowed. 14” Brembo Brake Kit#M-2300-S permitted with OEM 355mm rotors
allowed. Aftermarket header allowed. Cold Air Intake allowed. S197 Mustang 8.8 or 7.5 rear axle allowed with any ratio. Spec
clutch #SF661 and flywheel #SF66A permitted."