Manley 99.5mm STD Bore Piston Ring Set Subaru WRX 06-14 / STI 04-21 | 46995DT-4 Wheel Bolt Pattern_6x114.3 Following the machining process

Following the machining process

Intercooler Core Only - Piping not included

Comfortable ride quality with softer settings and harder suspension settings improves track and performance driving conditions

12mm OAL) tip valves when ordering

Manley 99.5mm STD Bore Piston Ring Set Subaru WRX 06-14 / STI 04-21 | 46995DT-4 Wheel Bolt Pattern_6x114.3 Following the machining processRestore proper cylinder sealing and maximize engine performance with the Manley Performance 99. 5mm Piston Ring Set. Designed for 99. 5mm bore forged pistons, this complete ring set is ideal for engine rebuilds, high performance street cars, and race applications. Featuring 1. 2mm x 1. 2mm x 2. 0mm file fit rings, it allows engine builders to precisely set ring end gaps based on horsepower, boost levels, and intended engine use. Product Features