Automatic Transmission Modulator Valves

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Modulator - Auto Trans Modulator Valve

Part #: 20234

If your engine does not make adequate vacuum you will not be able to make the stock or the B&M modulator work properly resulting in late hard shifts.This B&M adjustable vacuum modulator lets you adjust your shift within a range of 2-4 mph. With a... more

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$19.95

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Bully Dog Shift Enhancer Ford E4OD/R4100

Brand: Bully Dog

Part #: 151000

These Bully Dog diesel shift enhancers will help your transmission deal with added horsepower. By increasing the line pressure in the transmission, the kits reduce clutch slippage and improve shifting.

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Starting At
$76.49

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