SKU: 5091
GSC P-D 2019+ Toyota Supra BMW Z4 B58 Beehive Valve Spring and Ti Retainer Kit
Enhance your B58 engine's valvetrain with the GSC P-D Beehive Valve Spring and Titanium Retainer Kit designed for 2019+ Toyota GR Supra and BMW Z4 models. This kit includes 24 beehive valve springs and 24 titanium 10-degree retainers to handle extreme RPMs up to 10,200 while maintaining precise control. Perfect for tuned engines with aggressive cams it reduces mass and prevents valve float for reliable power gains.
Key Features
- Beehive Spring Design: Progressive dual beehive shape cuts weight by 20% over traditional springs minimizes harmonics and boosts high RPM durability
- Titanium 10° Retainers: Forged titanium construction weighs just 4 grams each offers strength without added mass for faster valve action
- Precise Pressures: 118 lbs seat pressure at 1.740 in 280 lbs open pressure at 0.960 in with 0.430 in max lift supports big cam profiles
- Coil Bind Protection: Secure bind height at 0.950 in prevents damage during extreme valve lift and high boost applications
- Full Kit Contents: 24 springs + 24 retainers match-engineered for B58 heads drop-in ready with stock keepers
Product Notes
- Verify valve stem heights after installation to ensure proper geometry
- Springs made from premium high-tensile steel retainers from aerospace-grade titanium
- Secure packaging protects components during transit
Installation Notes
- Professional installation recommended.
- Use a dedicated B58 valve spring compressor tool for safe removal and install
- Compatible with stock BMW Toyota B58 cylinder heads no machining required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2024 | Toyota | GR Supra | 3.0 3.0 Premium |
| 2019-2024 | BMW | Z4 | sDrive30i M40i |
| 2016-2020 | BMW | 340i | xDrive |
| 2016-2021 | BMW | 440i | Gran Coupe xDrive |
| 2018-2021 | BMW | M240i | xDrive |
Why Choose GSC P-D?
- Proven in professional drag racing and time attack builds worldwide
- CNC-machined components ensure perfect tolerances and repeatability
- Engineered in the USA with real-world dyno testing for B58 platforms
Frequently Asked Questions
-
Q: Will this kit fit TU2 updated B58 engines in newer Supra Z4 models?
A: Yes fits both TU1 and TU2 B58 variants including 2021+ Supra and Z4 with no modifications -
Q: What materials are used in the springs and retainers?
A: Beehive springs from chrome-silicon high-tensile steel retainers from forged titanium for lightweight strength -
Q: What is the warranty and install process?
A: GSC P-D offers a limited lifetime warranty on defects proper install requires checking installed heights and lash
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Foam protected box 12 x 8 x 5 inches
- Weight: 3.95 lbs
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