Supertech Dual Valve Spring Kit | 1989-2002 Nissan Skyline GT-R (SPRK-M1007D-RB) Supertech

1989-2002 Nissan Skyline GT-R 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

• InnSpr.ID: 15.20mm
• Seat Pressure: In: 92 @ 40.7, Ex: 82 @ 40.6
• Open Pressure: In: 232 @ 11, Ex: 222 @ 10
• Max Lift: 15.30mm
• Coil Bind: 24.70mm
• Rate: 11.5
• Kit spring: SPR-M1007D
• InnSpr.OD: 20.00mm
• OutSpr.OD: 28.10mm
• OutSpr.ID: 20.00mm
• Retainer: RET-NRB60/TS

Benefits

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

Applications

• 1989-2002 Nissan Skyline GT-R

What’s In The Box?

• 23 – Springs
• Retainers

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.