Daystar D-Ring Isolator and Washers Red Engine Components>Oil Pumps While the inner surface is

While the inner surface is made from a soft breathable cotton fabric

not 'cast'

1/8' NPT gauge port

The AutoMeter Digital Stepper Motor Fuel Level Gauge drastically simplifies the process with it

Built with T-304 stainless steel they have unequaled durability and great looks that you can polish to a mirror like finish

Daystar D-Ring Isolator and Washers Red Engine Components>Oil Pumps While the inner surface isThe Daystar D Ring Isolators install on any standard ? shackle and are constructed of a durable Polyurethane material. They simply snap into place and can be installed or removed in moments. Polyurethane acts as an isolator for the shackle and prevents the shackle from tapping against a bumper or any other recovery point when the vehicle is in motion. The Isolator also protects your bumpers finish from scratches caused by D Ring contact. Daystar D