B&M Adjustable Modulator - GM TH350/TH400 Automatic Transmissions - 20234GM TH350 TH400 Automatic Transmissions Part Number: 20234 The B&M vacuum modulator is fully adjustable and allows you to fine tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions. Features and Benefits Allows you to Tailor Shift
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GM TH350/TH400 Automatic Transmissions
Part Number: 20234
The B&M® vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.
Features and Benefits
• Allows you to Tailor Shift Points • New O-ring Helps Stop Leaks • Fully Adjustable • B&M Quality
For GM TH350 and TH400 automatic transmissions. A minimum of 12" Hg engine vacuum is required for proper operation.