Sonnax™ valve/Tricumulator™ springs

The shift improvement module consists of three Tricumulator™ springs, designed for late ’95 and up Trucks using E4OD, 4R100 Automatic Transmission (where no short inner springs were used). This is by far the only shift improvement you will ever need! And “A Must For Every Rebuild!" The springs increase the line pressure in the transmission to firm up the shifts and make them happen faster.

Feel seat of the pants performance from your sluggish transmission!

$60.00 plus shipping

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