ARP Replacement Nuts - 1/2"-20 Thread, 3/4" Hex Socket Size - (10 Pack) 89100MA The rear rotor hat is

The rear rotor hat is designed to convert any rear drum brake car to disc brakes

has 13/16"-16 threads for spin-on style oil filters and includes mounting hardware

Stainless steel stud

hole and include two extra O-ring seals

Especially formulated to exhibit better low-temperature flow and better shear-stability

ARP Replacement Nuts - 1/2"-20 Thread, 3/4" Hex Socket Size - (10 Pack) 89100MA The rear rotor hat isConstructed from the finest aerospace quality materials. All replacement nuts meet ARP's exacting quality control standards. All replacement nuts are 180, 000 psi tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and