Founded by Stuart Arbeit in 1975, Custom Spares, Ltd. is a Brewster wholesaler that supplies hard-to-find aftermarket parts for older British, European, and Japanese automobiles. It specializes in unusual and discontinued items that larger parts houses no longer handle, while also manufacturing select replacements such as 316 stainless steel caliper pistons and period-style headlamps. Custom Spares serves wholesalers through a network of 1,400 distributors in the United States and internationally.