JE S100S1-4030-5 Piston Ring Set (4.030 in. Bore, 0.0640 in. Top / 0.0640 in. 2nd / 0.188 in. Oil, 1 Cyl.) ymm_41 2015-2023 Ford Mustang EcoBoost Coupe

2015-2023 Ford Mustang EcoBoost Coupe 2

2 (CH1) 1999-2002

Our World-famous Wideband O2 air/fuel ratio UEGO gauge features a digital LED display and sweeping LED 'needle' that changes colors as AFR changes from rich to lean

Ensures reliable fastening under high load conditions

JE S100S1-4030-5 Piston Ring Set (4.030 in. Bore, 0.0640 in. Top / 0.0640 in. 2nd / 0.188 in. Oil, 1 Cyl.) ymm_41 2015-2023 Ford Mustang EcoBoost CoupeDescription JE S100S1 4030 5 Piston Ring Set (4. 030 in. Bore, 0. 0640 in. Top 0. 0640 in. 2nd 0. 188 in. Oil, 1 Cyl.) JE Piston Rings are designed to maximize Horsepower HP through precision sealing of combustion pressure. They are available in a wide selection of sizes, materials, and thicknesses to suit various engines. JE Pistons also offers custom Piston Ring services, including back cutting, Dykes cutting, lapping, grinding, and PVD coating.