Supertech 13.50mm Max Lift Dual Valve Spring Kit | Multiple Subaru Fitments (SPRK-TS1015-SU4) Supertech

Subaru EJ20/EJ25 Turbo DOHC Dual Valve Spring Kit by Supertech

Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring / Retainer kits are second to none in terms of performance, quality and value.

Features

• Seat Pressure: 82 @ 33.8
• Open Pressure: 220 @ 11.5
• Max Lift: 13.50mm
• Coil Bind: 20.70mm
• Rate: 12.1
• Kit spring: SPR-TS1015
• Retainer: RET-TS60/WRX1
• Seat Locator: SEAT-TS/SUB4
• InnSpr.ID: 15.20mm
• InnSpr.OD: 20.00mm
• OutSpr.OD: 27.50mm
• OutSpr.ID: 20.00mm

Benefits

• Underwent a gas nitriding process before shot peening for improved fatigue life

Applications

• 2002-2014 Subaru WRX
• 2004-Present Subaru STI
• 1998-2011 Subaru Impreza
• 1996-2010 Subaru Legacy
• 1996-2012 Subaru Legacy GT
• 1996-2012 Subaru Outback
• 1998-2010 Subaru Forester
• 1998-2013 Subaru Forester XT

What’s In The Box?

• 16 – Springs
• 16 – Retainers
• 16 – Seat Locators

Warranty

• Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.