Supertech 36mm Intake Valves Subaru WRX / STI EJ Models 2002-2021 (Set of 8) Type_Suspension Threaded portion of shaft is

Threaded portion of shaft is powder coated then salt spray coated for optimum street durability (we suggest also using anti seize or other protective products when you install your coilovers for even further protection from the elements if you are exposed to snow and salt)

The OEM quality construction of the SR35 Lug comes from the use of Cold Forged #1008 Steel and oversized 60 degree cone seat for better contact on your wheels

Part #: SC7220

Manley valves have been the standard of the industry from their inception

and throttle response

Supertech 36mm Intake Valves Subaru WRX / STI EJ Models 2002-2021 (Set of 8) Type_Suspension Threaded portion of shaft isPart #: SIVN 1010 8 Specs Length: 104. 35mm (Std) Head Dia: 36. 00mm (Std) Stem Dia: 5. 96mm Material: Black Nitrided Fitment: 02 17 Subaru EJ205; EJ255; EJ257