System 1 O-Ring Kit for 4" Diameter Spin-On Filter 32000BL 150" stainless steel needle and

150" stainless steel needle and seats are the ultimate in fuel capacity and seating ability where optimum fuel flow is required

1984-1992 GMC K1500 Suburban

5-4 PSI Operating Pressure

We offer an extensive line of high-tech products for cars and trucks

Spring Seat and Seal Kit

System 1 O-Ring Kit for 4" Diameter Spin-On Filter 32000BL 150" stainless steel needle andO ring kit for 4" diameter spin on filter System One produces reusable aluminum oil and fuel filters, billet aluminum block adapters, and oil pumps. System One in line and canister style filters are environmentally safe and will last much longer than conventional filters. Today, System 1 stands ready to provide racers in all forms of competition with a wide range of highly effective filtration products. The company has also expanded its line of