Tuff Stuff Performance Master Cylinder and Booster - 1.125 in Bore - Dual Integral Reservoir - 11 in OD - Dual Diaphragm - Black Paint - GM Fullsize Truck 1970-92 R03J015XL Holley EFI Sealed USB Cable

Holley EFI Sealed USB Cable 15'

which provides more efficient air intake than the stock airbox

Will Never Rust

55 ratioYukon Gear & Axle® provides the highest quality aftermarket drivetrain parts in the industry

210 in Thick

Tuff Stuff Performance Master Cylinder and Booster - 1.125 in Bore - Dual Integral Reservoir - 11 in OD - Dual Diaphragm - Black Paint - GM Fullsize Truck 1970-92 R03J015XL Holley EFI Sealed USB CableSpecific fit applications available in beautiful chrome plated, gold zinc or black powder coated finishes. 1" and 1 1 8" master cylinder bores work with disc disc, disc drum, and drum drum brake set ups. Single and dual diaphragm styles available in 7", 8", 9" and 11" diameters to fit virtually all hot rods, customs and muscle cars. 100% all new components and every unit is vacuum tested to insure reliability. Works with many stock mounting brackets