JE JG3101-4010-4 Piston Ring Set (4.010 in. Bore, 0.0472 in. Top / 0.0591 in. 2nd / 0.118 in. Oil, 1 Cyl.) ymm_75 Dual Mode Exhaust valves for

Dual Mode Exhaust valves for S-Type sound with no interior drone

This has proven very effective in both keeping chargecooler temperatures lower but also reducing the recovery times in "heat soaked" situations

Subaru SOA427V1660

Description HAWK HB194E

JE JG3101-4010-4 Piston Ring Set (4.010 in. Bore, 0.0472 in. Top / 0.0591 in. 2nd / 0.118 in. Oil, 1 Cyl.) ymm_75 Dual Mode Exhaust valves forDescription JE JG3101 4010 4 Piston Ring Set (4. 010 in. Bore, 0. 0472 in. Top 0. 0591 in. 2nd 0. 118 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.