Manley Performance piston ring set 46861DT-4 is a double-tabbed premium steel file-fit ring set with an 86.0mm bore diameter, designed for FA20/4U-GSE applications: 2015-2021 Subaru WRX and 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86. Manley ring sets provide minimal blowby and increased horsepower while maintaining cooler, cleaner oil for longer engine life.
This set features a ductile iron plasma-moly top ring, a conventional reverse-twist cast iron second ring, and a three-piece standard-tension oil ring. Premium steel top ring sets are ideal for high-horsepower and forced-induction/nitrous applications. Please note: Manley piston rings are purpose-built to be installed on Manley pistons only.
- 86.0mm bore file-fit ring set; 1.2mm top x 1.5mm second x 3.0mm oil, double tabbed
- For FA20/4U-GSE: 2015-2021 Subaru WRX, 2013-2020 BRZ, 2013-2016 FR-S, 2013-2020 Toyota 86
- Premium steel construction; 9-13 lb oil ring tension
- Set of 4 piston rings
- Manley part number 46861DT-4
