Check the listing for details. FNA Custom Cycle Pop Top Oil Pressure Indicator. Condition: New. Listed at 110.71 USD. FNA Custom Cycle Pop Top Oil Pressure Indicator The FNA oil pop top is used as an oil pressure indicator. It will install anywhere an existing oil pressure gauge is with a standard 1/8” NPT hole. You can get rid of that ugly dial style gauge or indicator light pressure switch and replace it with this stylish part. At around 30psi the FNA oil pop top is fully extended at about 1/2” sticking out. All polished stainless construction and 100% made in USA!! Patent pending. FNA Custom Cycle Pop Top Oil Pressure Indicator The FNA oil pop top is uséd as an oil pressure indicator. It will install anywhere an existing oil pressure gauge is with a standard 1/8” NPT hole. You can get rid of that ugly dial style gauge or indicator light pressure switch and replace it with this stylish part. At around 30psi the FNA oil pop top is fully extended at about 1/2” sticking out. All polished stainless construction and 100% made in USA!! Patent pending. &times &times &times &times &times &times &times &times &times &times &times Lowbrow Customs was started in 2004, a physical manifestation of chopper fever and passion for all things motorcycle. We are the premier source for custom and chopper parts for your moto, backed by a tight-knit crew here in northeast Ohio who strive to make your experience with us the best possible. We not only work hard to supply motorcycle enthusiasts with cool parts from small shops all around the world, but to also keep innovating and building, creating brand new parts and accessories, getting them out onto the road. eBay integration by