Porterfield Brake Pads for 1983 PONTIAC FIREBIRD w/Rear Drums Suspension Tuning Does the black finish need

Does the black finish need prep or paint

The same engine from two different vehicles with entirely different coolant lines

Jam Nut: 1/2" Hex

or do I need to do any custom mounting

easy wipe-clean maintenance with damp cloth

Porterfield Brake Pads for 1983 PONTIAC FIREBIRD w/Rear Drums Suspension Tuning Does the black finish needPorterfield Brake Pads for 1983 PONTIAC FIREBIRD w Rear Drums Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also