it has an octagonal shaped bottom

and will require the drilling of two additional holes into the subframe

Specifically designed to fit Fisch Spark Arrestors

Low-profile roost deflector with D3O® armor

Oxford high security keys

All Balls Racing - Brake Caliper Piston Kit (18-9022) Options:(18-9022) it has an octagonal shapedStainless steel reduces thermal conductivity by up to 90% compared to aluminum Reduced braking temperatures provide better braking performance Eliminates the potential for becoming brittle or corroded like composite or chrome plated pistons, thus extending braking performance Eliminates failure prone ceramic inserts used on some models