Detroit Speed Master Cylinder and Booster - 1 in Bore - Dual Integral Reservoir - 9 in OD - Dual Diaphragm - Black - GM Fullsize Truck 1967-72 SR91152PDO-6 Some applications may require a

Some applications may require a tachometer adapter

Care instructions published by Nomex(R) manufacturer DuPont

425 in Diameter

Maintains very high flow even at boosted fuel pressures

live fuel consumption metrics

Detroit Speed Master Cylinder and Booster - 1 in Bore - Dual Integral Reservoir - 9 in OD - Dual Diaphragm - Black - GM Fullsize Truck 1967-72 SR91152PDO-6 Some applications may require a10 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