Perma-Cool 181 | Sandwich Adapter, 13/16"-16 thread
Perma-Cool® Sandwich Adapters are installed between the oil filter landing on the engine block and the oil filter to route the oil to a remote oil cooler. They are die cast from aerospace quality aluminum and machine finished on our CNC production line. O-Rings and illustrated instructions included. Fittings and AN adapter fittings sold separately
- Designed to fit non-recessed GM models with obstruction issues.
- 1" thick, 3/8" NPT ports for use with 1/2" oil lines.
- 2-1/2" O-ring included
- Installation Instructions
- U.S. Patent 4,335,688