Big Bore GM D154 Metric Disc Brake Caliper Door Related Parts This is the Ultimate front

This is the Ultimate front end suspension system

The upper control arms use threaded adjusters for the wheel alignment

C and E Body cars with 1-1/8" diameter sector shaft and 1965-82 A

Static spring rate of these rear coils starts at 950lbs

Made of heavy gauge aluminum

Big Bore GM D154 Metric Disc Brake Caliper Door Related Parts This is the Ultimate frontThese all new GM Big Bore metric calipers are a re design of the popular small piston S10 calipers. With the increased bore size you will get more than 20% increase in stopping power. New universal design allows it to be used on either the driver or passenger side. Bleeder screw and banjo bolt can be installed in either location. Calipers come loaded with standard D154 brake pads. These calipers can be used as an upgrade replacement on most 1978 88 GM