Super Pro Rear Sway Bar Bushings 20mm Subaru WRX / STI 2015-2021 vendor_Stance All rods are properly shot

All rods are properly shot peened after machining and 100% magnafluxed

Fully nitrated ( this includes the 45 which increases valve life and makes a better seal at the valve seat for improved cylinder pressure) also reduces carbon buildup on the backside of the valve

The valves are then heat treated and stress-relieved over a 48-hour period

Nissan KE900-90042

Torque Rating (at crank) - 315 Ft-Lb

Super Pro Rear Sway Bar Bushings 20mm Subaru WRX / STI 2015-2021 vendor_Stance All rods are properly shotPart #: SPF3108 20K Suits OE Bar Size Product Specifications: Components Per Product: 2B available Sizes 14, 15, 16, 18, 19, 20, 21, 22, 23 & 25mm Vehicle Application Information: 20mm ID Fitment Difficulty Fitting Position: Rear 1hrs Fitment Time