Toyota 3RZ-FE Spool H Beam Conrods and Custom CP Forged Pistons
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Spool 3RZ-FE Forged Connecting Rods and CP Forged Pistons (Turbo applications)
Pistons are available in the following specs:
- Compression Ratio: 9.5:1
- Bore Size: +0.5mm
- These custom pistons come with upgraded 9310 pins ( 9310 / 0.190")
- Pistons come with rings, gudgeon pins and pin locks
Note: Custom Pistons are also available in any comp ratio and any bore size – please email for price and availability.
Once ordered pistons take 4-5 weeks.
Spool Connecting Rods Feature:
- ARP 2000 fasteners (L19 fasteners are available as an upgrade)
- High tensile 4340 forged steel
- 2 Piece forging
- Hardness of HRC36-42
- Dowelled caps for precision alignment
- X-RAY & Sonic tested
- Quenching and heat treated
- Shot peened
- 100% Magnafluxed
- Weight Matched Sets +/- 1 gram
- Vacuum degassed to remove impurities
CP Pistons standard features include:
- 5310 gudgeon pins (9310 thicker wall thickness pins are available as an upgrade)
- Deep valve reliefs accommodate high lift camshafts
- Larger valve reliefs for +1mm valve sizes
- Custom skirt cam and barrel design
- Accumulator grooves
- High strength aluminium forgings
- High performance rings
- Fully CNC machined and balanced to +/- 1 gram
- Wrist pins included
- Double pin oilers force fed from oil ring groove
- Pick lock grooves for easy lock removal
- Pin fitting included
Note: We recommend Joe Gibbs Break in Oil for all new engines.
| Product Name | Toyota 3RZ-FE Spool H Beam Conrods and Custom CP Forged Pistons |
|---|---|
| Brands | Spool |
| Engine | 3RZ |
| 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:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What is included in a typical Spool engine kit?
Kits usually include pistons, rings, rods, bearings and related hardware depending on the engine family. Check the listing for exact inclusions.
Do I still need machining with a full engine kit?
Yes. The block must be honed and all clearances checked and set by your builder. Assembly should only occur after full measurement and verification.
What are the recommended clearances for the Spool 3RZ-FE conrods and CP pistons?
Clearances for the Spool 3RZ-FE conrods and CP pistons depend on your specific application and intended use. Generally, conrod big-end clearance should be set between 0.0015" to 0.0025" and piston-to-wall clearance around 0.0020" to 0.0030". Always consult with your engine builder for precise specifications based on your setup.
What is the maximum recommended boost for the Spool 3RZ-FE conrods and CP pistons?
While the Spool 3RZ-FE conrods and CP pistons are designed for turbo applications, the maximum boost level will depend on your overall engine build, tuning, and fuel quality. Typically, these components can handle moderate boost levels, but reliability is contingent on proper machining and tuning.
Can I use the Spool 3RZ-FE conrods with stock pistons?
Yes, the Spool 3RZ-FE conrods can be used with stock pistons, but it's crucial to ensure that the combination maintains proper clearances and compression ratios. If you're looking for performance gains, consider using the included CP forged pistons for optimal results.
What is the process for installing the Spool 3RZ-FE conrods and CP pistons?
Installation of the Spool 3RZ-FE conrods and CP pistons requires careful attention to detail. Ensure that the conrods are properly torqued using ARP2000 specifications, and that the pistons are fitted with the correct bore clearance and ring gaps. It's advisable to have a qualified engine builder perform the installation to guarantee reliability.
What type of oil should I use during the break-in period for the Spool 3RZ-FE engine?
For the break-in period of your Spool 3RZ-FE engine, we recommend using Joe Gibbs Break in Oil. This oil is formulated to provide the necessary protection and performance during the critical initial operating hours of your new engine components.
