The GSC Power Division Toyota G16E Conical Valve Spring and Ti Retainer Kit is a valve springs, retainers for an engine platform that requires exact vehicle and cylinder-head confirmation. Match manufacturer part number 5017, engine code, cylinder-head configuration, dimensions, position, material, and package quantity before ordering.
Key Features
- Titanium Retainers: 6AL/4V Ti construction reduces retainer mass by 1.8 grams each versus steel for quicker valve response and less stress.
- Precise Spring Rates: 90 lbs seat pressure at 1.650 inch installed height 210 lbs open at 1.750 inch lift with 13.00mm max lift capacity.
- Conical Dual Spring Design: Allows maximum airflow for faster heat dissipation and enables revs beyond 10,000 RPM without surge.
- Complete 16-Piece Set: Includes 16 conical springs and 16 Ti retainers for full G16E-GTS cylinder head coverage no partial kits.
- Set all springs to 1.650 inch installed height using GSC checker tool.
- Springs use Permalloy 50 high-tensile steel retainers are aerospace-grade 6AL/4V titanium for lightweight strength.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Verification required | Confirm vehicle | Confirm model | Match the exact engine platform, cylinder-head configuration, dimensions, and current GSC application before ordering |
Specifications
| Brand | GSC Power Division |
|---|---|
| Manufacturer Part Number | 5017 |
| Product Type | Valve Springs, Retainers |
| Fitment Type | Fitment Verification Required |
| Condition | New |
What's Included
One new GSC Power Division valve springs, retainers package identified by manufacturer part number 5017, in the size and quantity stated by the title. Springs, retainers, locks, valves, guides, seals, followers, shims, bearings, fasteners, gaskets, lubricants, and other assembly parts are included only when expressly listed for this exact part number.
About GSC Power Division
GSC Power Division develops performance camshafts, valves, valve guides, springs, retainers, seals, and related valvetrain components for import and domestic engine platforms.
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Frequently Asked Questions
Can I mix these parts with another camshaft or valvetrain brand?
Only after confirming dimensions, materials, installed height, spring pressure, lift capacity, and geometry for the complete combination. Similar-looking components are not automatically interchangeable.
Do valve springs need to be checked before installation?
Yes. Measure installed height, seat and open pressure, coil-bind clearance, retainer-to-seal clearance, and maximum lift for the exact cylinder head and camshaft.
Should valvetrain components be replaced as a complete set?
Follow the engine builder's inspection and measurement results. Worn mating components can affect geometry and durability even when only one part is being upgraded.
Installation Instructions
Follow current GSC Power Division instructions and the vehicle service manual for part number 5017. Have a qualified engine builder inspect the cylinder head and mating components, perform required machining, measure every specified clearance, verify timing and free movement, and use the correct lubrication, fasteners, torque procedures, and clean assembly practices before startup.
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