King Engine Bearings - Housing Bore + .002 (Size .026mm) Main Bearing Set - Subaru 02-14 WRX / 04-21 STI subaru-impreza-2016 On a closed course

On a closed course

Dyno-proven maximum gains of up to 33 whp and 30 wtq and peak gains of up to 28 whp and 21 wtq while maintaining safe AFRs

Warranty: 6 months / 6000 miles

corrosion resistance

Padded lumbar support

King Engine Bearings - Housing Bore + .002 (Size .026mm) Main Bearing Set - Subaru 02-14 WRX / 04-21 STI subaru-impreza-2016 On a closed courseThe overlay is strengthened by a proprietary nano scaled hardening process that modifies the molecular structure and creates a black fatigue resistant shield. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction. This King Engine Bearings product is professionally and meticulously designed to provide the superior durability you are