Mitsubishi 4G93 Spool H Beam Conrods and CP Forged Pistons
Mitsubishi 4G63 2G/EVO VIII/EVO IX Spool Drag Pro Conrods and CP Forged Pistons
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Spool 4G63 2G/EVO VIII/EVO IX forged connecting rods and CP pistons.
Pistons are available in:
4G63 2G
- 8.5:1 Compression Ratio in 85.5mm and 86mm Bore Size
- 9.0:1 Compression Ratio in 85.5mm and 86mm Bore Size
- 10.0:1 Compression Ratio in 85.5mm and 86mm Bore Size
EVO VIII/EVO IX
- 9.0:1 Compression Ratio in 85.5mm and 86mm Bore Size
- 9.5:1 Compression Ratio in 85.5mm and 86mm Bore Size
- 10.5:1 Compression Ratio in 85.5mm and 86mm Bore Size
Pistons come with rings, gudgeon pins and pin locks.
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 | Mitsubishi 4G63 2G/EVO VIII/EVO IX Spool Drag Pro Conrods and CP Forged Pistons |
|---|---|
| Brands | Spool |
| Engine | 4G63 |
| Make | Mitsubishi |
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 compression ratios are available for the CP pistons in the 4G63 2G/EVO VIII/EVO IX kit?
The CP pistons in this kit are available with various compression ratios: for the 4G63 2G, you can choose from 8.5:1, 9.0:1, and 10.0:1. For the EVO VIII/EVO IX, options include 9.0:1, 9.5:1, and 10.5:1.
What type of fasteners are used in the Spool connecting rods for the 4G63 engine?
The Spool connecting rods feature ARP2000 fasteners as standard. You can also upgrade to L19 fasteners for enhanced strength and reliability.
Are there any specific machining requirements for the conrods and pistons in this kit?
Yes, the conrods may require honing of the big-end or small-end due to factory variations. Additionally, ensure that the pistons are fitted with the correct bore clearance and ring gaps as per your engine build specifications.
What material are the Spool connecting rods made from?
The Spool connecting rods are made from high tensile 4340 forged steel, providing excellent strength and durability for performance applications.
What is the recommended break-in oil for new engines using this kit?
We recommend using Joe Gibbs Break in Oil for all new engines to ensure proper lubrication during the critical break-in period.
