High performance PACALOY™ valve spring and titanium retainer kit.
- 100lb seat pressure at 33.75mm installed height.
- 185lbs at 11.0mm valve lift.
- Coil bind at 22.0mm.
Toyota 1JZ-GTE Engine

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| Product Name | KELFORD Toyota 1JZ Valve Springs with Ti Retainers |
|---|---|
| Brands | Kelford |
| Engine | 1JZ, 1JZ-GTE |
| Make | Toyota |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
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You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
The KELFORD valve springs for the 1JZ have an installed height of 33.75mm.
These valve springs provide a seat pressure of 100lbs at the specified installed height.
The KELFORD valve springs can handle a maximum valve lift of 11.0mm, providing 185lbs of pressure at that lift.
The coil bind for the KELFORD 1JZ valve springs occurs at 22.0mm.
Yes, these KELFORD valve springs are designed for both non-VVTi and VVTi variants of the Toyota 1JZ-GTE engine.