Porterfield Brake Pads for 1993 MERCEDES-BENZ 300SD Girling Front Cal. Compound:R4-1 Can I use this right

Can I use this right out of the box

A type of device that changes the program inside can be over written or erased at a shop inspection or etc

Pair of stainless steel shorty headers

Compatible with K20 and K24 engines

Porterfield Brake Pads for 1991 CHEVROLET CAMARO

Porterfield Brake Pads for 1993 MERCEDES-BENZ 300SD Girling Front Cal. Compound:R4-1 Can I use this rightPorterfield Brake Pads for 1993 MERCEDES BENZ 300SD Girling Front Cal. 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