Spool RB26 Drag Pro I Beams and CP Pistons
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Spool RB26 Drag Pro I Beam Connecting Rods and CP Forged Pistons.
These CP forged pistons are designed for extreme boost applications and are designed to achieve 9.0:1 compression ratio in the Nissan RB26 engine.
Pistons are available in:
- Compression Ratio: 9.0:1
- Bore Sizes: 86.5mm and 87mm
- Pistons come with rings, gudgeon pins and pin locks
Spool Drag Pro I Beam connecting rods are the ultimate high strength direct fit conrod for all Nissan RB26 engines.
With new features like:
- Upgraded ARP2000 7/16 bolts
- Increased strength to the beam
- Increased strength around the fasteners / bolts
- Increased strength around the gudgeon pin
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 | Spool RB26 Drag Pro I Beams and CP Pistons |
|---|---|
| Brands | Spool |
| Engine | RB26 |
| Make | Nissan |
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 is the recommended compression ratio for the Spool RB26 Drag Pro I Beam and CP Pistons?
The Spool RB26 Drag Pro I Beam and CP Pistons are designed to achieve a compression ratio of 9.0:1, making them suitable for extreme boost applications in the Nissan RB26 engine.
What bore sizes are available for the CP pistons in this kit?
The CP pistons included in this kit are available in bore sizes of 86.5mm and 87mm, allowing for flexibility depending on your engine's requirements.
What type of fasteners are used with the Spool RB26 Drag Pro I Beam connecting rods?
The Spool RB26 Drag Pro I Beam connecting rods come standard with upgraded ARP2000 7/16 bolts, providing enhanced strength and reliability for high-performance applications.
Do the CP pistons require any specific machining or clearances?
Yes, the CP pistons require careful attention to bore clearance and ring gaps, which should be set by the engine builder based on the specific application and intended use.
What is the construction material of the Spool connecting rods?
The Spool connecting rods are made from high tensile 4340 forged steel, ensuring durability and strength under high-stress conditions typical in performance applications.
