SKU: 5745 | UPC: GSC5745
GSC Power-Division 1988-1995 Toyota Celica All Trac MR2 Turbo 3SGTE Spring and Titanium Retainer Kit for Shimless and Shimover Bucket
The GSC Power-Division 3SGTE Spring and Titanium Retainer Kit MPN 5745 upgrades valvetrain reliability in Toyota 3SGTE engines found in 1988-1992 Celica All Trac 1993 Celica GTS All Trac and 1991-1995 MR2 Turbo models. This kit fits both shimless bucket and shim-over bucket setups while delivering precise spring pressure for high RPM operation consistent valve control and sustained engine power. Engine builders choose it for direct bolt-on installation in ST165 ST185 and SW20 heads without modifications.
Key Features
- Dual Valve Springs: 70 lbs seat pressure at 1.630 inches open 160 lbs at 1.180 inches handles 13.0 mm lift and 10,000 RPM for stable valve motion under load
- Titanium Retainers: 10 gram weight per retainer reduces valvetrain mass enables faster valve action and lowers dynamic stress on components
- Super Clean Wire Technology: Eliminates sag risk holds spring frequency at 47.2 Hz inner 47.5 Hz outer ensures durability through extended high RPM use
- Shimless Shimover Compatibility: Direct fit for ST165 ST185 SW20 3SGTE heads supports stock valvetrain design or performance upgrades
- Coil Bind Protection: Maximum height 1.630 inches coil bind at 1.120 inches provides safety margin with stock or aftermarket cams
Product Notes
- Inspect valve locks and seals during replacement for optimal performance
- Store in cool dry place to preserve spring tension before installation
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires head removal and valve spring compressor tool
- Compatible with OEM hardware and GSC camshafts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1992 | Toyota | Celica | All Trac |
| 1993 | Toyota | Celica | GTS All Trac |
| 1991-1995 | Toyota | MR2 | Turbo |
Why Choose GSC Power-Division?
- Track proven in drag racing and rallycross applications
- Lifetime warranty on valve springs covers manufacturing defects
- Made in USA with tight tolerances for 3SGTE engines
Frequently Asked Questions
- Q: Will this kit fit ST165 ST185 and SW20 3SGTE engines?
A: Yes it bolts on directly to all 3SGTE variants with shimless or shim-over bucket valvetrains in listed Toyota models - Q: What materials are used in the retainers and springs?
A: Retainers are lightweight titanium at 10 grams each springs use chromoly steel with Super Clean wire finish - Q: What is the warranty and installation process?
A: Lifetime warranty on springs professional install advised using spring compressor verify cam lift compatibility
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective box 9 x 7 x 5 inches
- Weight: 2.4 lbs





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