Chevy Impala 4.4L / 5.0L / 5.7L 1981, Automatic Transmission Pan Fasteners by Stage 8®. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and clip are present then no fastener rotation has occured. Stage 8 locking systems are used on the Space Shuttle, Caterpiller Tractors, Ford Racing, Armored Combat Vehicles and many, many other applications.
- High quality at an affordable price
- Expertly made from premium materials
- Built to match your exact requirements
Stage 8® has developed the most efficient ways to prevent fastener loosing rotation over 30 years ago. The decades of hard work have paid dividends in the form of over 78 patents and trademarks along with more than 17 million locking systems installed in numerous automotive and industrial applications without any failure reported. Today Stage 8 is a recognized leader in locking system solutions, manufacturing a variety of locking fasteners for a huge number of performance, off-road and street vehicles as well as for railroad, industrial and military needs.