Detroit Speed Master Cylinder and Booster - 1 in Bore - Dual Integral Reservoir - 9 in OD - Dual Diaphragm - Black - GM Fullsize Truck 1967-72 HS11SAS Good power in stock application

Good power in stock application with few modifications

1 Rated (Tags Affixed) - NOT D

1974-1976 Cadillac Calais

Includes gasketBD Diesel Performance is unique among its peers in that it designs

CARB EO #D-250-2)

Detroit Speed Master Cylinder and Booster - 1 in Bore - Dual Integral Reservoir - 9 in OD - Dual Diaphragm - Black - GM Fullsize Truck 1967-72 HS11SAS Good power in stock application10 12 in Hg minimum vacuum requirement Brake Booster Style and Size: Dual Diaphragm 9" Diameter with Black Finish Master Cylinder Material: Aluminum with As Cast Finish Master Cylinder Bore Size: 1. 0" Hardline Fitting Size: M12 x 1. 0 Inverted Flare Male Use with 3 16" Hardlines (2) Fittings Included Minimum Engine Vacuum Requirements: 10 12 in Hg White Translucent Plastic Fluid Reservoir with Low Fluid Level Sensor (optional use) for Easy Visual