The Base Idle Set Screw (BISS) is located on top of the throttle body, covered by a soft seal. But it's not just any screw. The BISS controls a throttle...
These are the bolts that hold the spark plug well cover on. Set of five. Fits all 1990-1999 turbo DSM (Eclipse/Talon/Laser) cars.
This cap covers the BISS screw, and can keep it from rattling out. Often the loss of this cap results in eventual loss of the BISS screw. Fits all turbo...