Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat)

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.

What's Included:

• 16 - Springs
• 16 - Retainers
• 16 - Seat Locators

• Seat Pressure: 85 at 34.50
• Open Pressure: 228 at 11.5
• Max Lift: 13.80mm
• Coil Bind: 20.70mm
• Rate: 12.1
• Kit spring: SPR-TS1015
• Kit spring qty: 16
• Retainer: RET-TS55/T1EX
• Retainer qty: 16
• InnSpr.ID: 15.20mm
• InnSpr.OD: 20.00mm
• OutSpr.OD: 27.50mm
• OutSpr.ID: 20.00mm
• Seat Locator: SEAT-M1015-2

• Mitsubishi Lancer EVO X 2008-2015