Supertech Dual Valve Spring Kit | Multiple Nissan / Infiniti Fitments (SPRK-N370Z-1)
Supertech
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Nissan VQ37VHR 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: 70 @ 39.40
- Open Pressure: 197 @ 10
- Max Lift: 14.00mm
- Coil Bind: 22.80mm
- Rate: 12.7
- Kit spring: SPR-N370Z-IN ; SPR-N370Z-EX
- Retainer: RET-H55BE/T1 ; RET-TS5.5/T1F-BE
- Valve locks: KPR-5.5/7A-ST
- InnSpr.ID: 14.50mm
- InnSpr.OD: 24.20mm
- OutSpr.ID: 18.80mm
- OutSpr.OD: 28.00mm
Benefits
- Underwent a gas nitriding process before shot peening for improved fatigue life
Applications
- 2008–2013 Infiniti G37 Coupe
- 2008–2014 Nissan Skyline V36 370 GT Coupe
- 2009–2014 Infiniti G37 Sedan
- 2009–2014 Nissan Skyline V36 370 GT Sedan
- 2009–2013 Infiniti G37 Convertible
- 2009–present Nissan Fuga 370GT
- 2009–2013 Infiniti FX37 325 hp
- 2009–2013 Infiniti EX37 325 hp
- 2009–2020 Nissan 370Z/Fairlady Z
- 2009–2020 Nismo 370Z NISMO
- 2011–2013 Infiniti M37
- 2011–2016 Infiniti IPL G37 Coupe
- 2013 Infiniti IPL G37 Convertible
- 2015 Infiniti Q40 Sedan
- 2014–2015 Infiniti Q50 Sedan
- 2014–2016 Infiniti Q60 Coupé
- 2014–2015 Infiniti Q60 Convertible
- 2014–2019 Infiniti Q70
- 2014–2017 Infiniti QX50
- 2014–2017 Infiniti QX70
What's In The Box?
- 24 - Springs
- 24 - Retainers
- 48 - Valve Locks
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.
