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SKU: 5053 | UPC: GSC5053
GSC P-D VQ35DE (Turbo High Rev) Beehive Valve Spring and Titanium Retainer Kit 2001-2015 Nissan Infiniti
Upgrade VQ35DE engines in Nissan and Infiniti vehicles with this GSC Power-Division beehive valve spring and titanium retainer kit designed for turbocharged high-RPM operation. Engineered for reliable valve control under boost it fits 2001-2015 models like 350Z G35 Altima Maxima Murano Pathfinder Quest FX35 and M35. Delivers precise spring pressures to handle 1000+ HP setups without float.
Key Features
- Beehive Spring Design: Progressive dual beehive shape cuts mass 22% vs stock cylindrical springs enabling revs to 10,000+ RPM safely
- Titanium Retainers: 7075 T6 titanium construction reduces valvetrain weight by 12 grams per assembly for quicker valve action and less stress
- Seat Pressure: 140 lbs at 1.780 inches holds valves secure during high boost preventing dropped seats in turbo applications
- Open Pressure and Rate: 370 lbs at 1.200 inches with 305 lbs/in rate supports .580 inch max lift for aggressive cams
- Complete Kit: 24 beehive springs and 24 titanium retainers with coil bind height 1.200 inches matches OEM height no head machining needed
Product Notes
- Superfinish ground spring surface extends fatigue life over 500 million cycles
- Made in USA with rigorous dyno and shim bowl testing for zero defects
- Packaged in protective sleeves ships in 11.25 x 8.75 x 3.50 inch box
Installation Notes
- Professional installation recommended.
- Use GSC or equivalent VQ35DE valve spring compressor tool for safe removal and install
- Compatible with stock chromoly or GSC retainers check stem to retainer clearance .040 min
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Nissan | Pathfinder | LE, SE, XE |
| 2013-2014 | Nissan | Pathfinder | Platinum, S, SL, SV |
| 2004-2009 | Nissan | Quest | Base, S, SE, SL |
| 2011-2014 | Nissan | Quest | LE, S, SL, SV |
| 2002-2003 | Nissan | Maxima | GLE, GXE |
| 2002-2008 | Nissan | Maxima | SE |
| 2004-2008 | Nissan | Maxima | SL |
| 2009-2014 | Nissan | Maxima | S, SV |
| 2003-2007 | Nissan | Murano | SE, SL |
| 2005-2007 | Nissan | Murano | S |
| 2009-2014 | Nissan | Murano | LE, S, SL, SV |
| 2011-2014 | Nissan | Murano | CrossCabriolet |
| 2003-2006 | Nissan | 350Z | 35th Anniversary Edition, Base, Enthusiast, Grand Touring, Performance, Touring |
| 2003-2006 | Nissan | 350Z | Track |
| 2002-2009 | Nissan | Altima | SE |
| 2005-2006 | Nissan | Altima | SE-R, SL |
| 2010-2012 | Nissan | Altima | SR, SV |
| 2013-2015 | Nissan | Altima | S, SL, SV |
| 2003-2008 | INFINITI | FX35 | Base |
| 2003-2007 | INFINITI | G35 | Base |
| 2004-2006 | INFINITI | G35 | X |
| 2002-2004 | INFINITI | I35 | Base |
| 2013 | INFINITI | JX35 | Base |
| 2006-2008 | INFINITI | M35 | Base, Sport, X |
| 2001-2003 | INFINITI | QX4 | Base |
| 2014-2015 | INFINITI | QX60 | Base |
Why Choose GSC Power-Division?
- Multiple MoTeC awards for valvetrain reliability in racing
- Springs tested to 10,000 RPM and 1 million cycles no sag
- Precision CNC wound and heat treated for consistent rates
Frequently Asked Questions
-
Q: Will this kit fit VQ35HR engines like late G35 or 370Z?
A: No designed exclusively for VQ35DE verify your engine code before purchase -
Q: What material are the springs and retainers made from?
A: High-tensile beehive steel springs with chrome silicon wire titanium 7075 T6 retainers -
Q: What warranty coverage is provided?
A: Lifetime warranty on springs against sagging or breakage retainers 1 year
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 11.25 x 8.75 x 3.50 inches
- Weight: 4.85 lbs
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