Magnum XL 6-Speed KIT 2.66 first .80/.63 OD/ TUKT16901 $4,095.00 MD-586-16901 WE ARE YOUR TUET16901 TREMEC T-56 Magnum XL 6-speed Transmission Kit for the 2005-2010 Ford Mustangs Gear Ratios 2.66, 1.78, 1.30, 1, .80, .63 26 spline input, 31 spline output Shafts Torque rated 700+ft/lbs SFI 6.1 Certified bellhousing Direct mounted shifter Analog Electric Speedometer Sensor Add to cart