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47/48RE SFI-Certified Flexplate Shield

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Loganbuilt has developed and manufactured the first SFI-certified 30.1 flexplate shield for diesel racing transmissions. SFI flexplate shields are a safety feature required by the NHRA for any vehicle running quicker than 6.40 ET in the eighth-mile, or 10.00 ET in the quarter-mile. 

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Flexplate shield requirements have been in place for years but they have been ignored in 47/48RE transmissions. Virtually every Cummins-powered truck on the dragstrip is using one of these 47/48RE transmissions, and there are quite a few competitors surpassing the 6.40/10.00 range. 

These are the most common transmissions in the diesel racing industry because they came in Dodge trucks with a Cummins engine from 1994-2007. It is also not uncommon to find the 47/48RE transmission mated to a Powerstroke or Duramax engine in a drag racing application.

Available at Loganbuilt and Goerend Transmission.

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