B&M Adjustable Modulator - GM TH350/TH400 Automatic Transmissions - 20234 crankshafts-and-parts 0L engine and replaces the

0L engine and replaces the original rear mounted mufflers with factory style connections

Brake type Manual Drum Brakes

8 V8 2001 - 2002 GMC Sierra 1500 SL 294/4

2007-2007 GMC Sierra 2500 HD Classic 364 CID

1x Front Right (Front Passenger) Brake Line

B&M Adjustable Modulator - GM TH350/TH400 Automatic Transmissions - 20234 crankshafts-and-parts 0L engine and replaces theOverview: 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: Allows you to Tailor Shift Points New O ring Helps Stop Leaks Fully Adjustable B&M Quality