Transmission - Manual - TREMEC T56 Magnum XL - 6 Speed - 26 Spline - GM - 2.97 First Gear, .63 OD Transmission Only.
Introduced to the marketplace in 2012, the Magnum XL is a continuation of the popular Magnum 6-speed series. Featuring all the most important content from the original Magnum, the XL retains its brute strength and sophistication, but eliminates its multiple shifter locations and dual speedo outputs. Refinements include a new extended length tail section designed to eliminate the semi-remote shifter found in many popular late-model applications.
Initially available for the 2005 and up “S197” Mustang, the Magnum XL was designed specifically to replace the OEM 5 or 6 speed transmission where performance improvements are desired. Simplifying the swap, the Magnum XL includes a SFI-approved steel bellhousing, cross member, trans mount, isolated shifter, and shift ball. It also reuses the OEM hydraulic clutch release system.
TREMEC approves the following fluids for all of their 5 and 6-speed transmissions: TREMEC HP-MTF, Pennzoil Synchromesh, Dexron III/Mercon ATF (non-synthetic), and Mobil 1 ATF. We recommend the ATF fluid for break-in and the TREMEC or Pennzoil fluid thereafter.
Approved fluids for the A41 and A41X automatic transmissions are Mobil 1 Synthetic ATF or Dexron III/Mercon ATF (non-synthetic). We recommend Mobil 1 Synthetic.
We get some form of this question all the time, but there are no exceptions to this rule! First, failure to measure and correct your bellhousing runout will void your warranty with both TREMEC and SST. Second, the tolerance is .005”; that’s about the width of a dollar bill! A misaligned bellhousing can result in complete failure of the transmission. Protect your investment by performing this quick and simple procedure.
No worries! Our technical support team is available to answer your questions and troubleshoot your issues! Our tech lines are open 8 AM -7 PM Eastern, M-F and on Saturdays from 8 AM - 4 PM.
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