Nissan RB30DET (RB25/26 Head) Spool Drag Pro I Beam Conrods and CP Forged Pistons (9.0:1)
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These CP forged pistons are an upgraded forging designed for extreme boost applications and are designed to achieve 9.0:1 compression ratio with the RB25 or RB26 cylinder head.
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 con rod for all Nissan RB30 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 | Nissan RB30DET (RB25/26 Head) Spool Drag Pro I Beam Conrods and CP Forged Pistons (9.0:1) |
|---|---|
| Brands | Spool |
| Engine | RB30DET (DOHC) |
| Make | Holden, 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 bore size for the SPL-RB30DET-DP-CP-9 pistons?
The SPL-RB30DET-DP-CP-9 pistons are available in bore sizes of 86.5mm and 87mm. Ensure you select the correct size based on your engine's specifications.
What is the compression ratio of the CP forged pistons in this kit?
The CP forged pistons in the SPL-RB30DET-DP-CP-9 kit are designed to achieve a compression ratio of 9.0:1 when used with an RB25 or RB26 cylinder head.
What type of fasteners are used in the Spool Drag Pro I Beam conrods?
The Spool Drag Pro I Beam conrods feature upgraded ARP2000 7/16 bolts as standard. L19 fasteners are available as an upgrade for those seeking additional strength.
Do the CP pistons come with all necessary components for installation?
Yes, the CP pistons included in the SPL-RB30DET-DP-CP-9 kit come with rings, gudgeon pins, and pin locks, ensuring you have everything needed for installation.
Is any specific machining required for the conrods and pistons in this kit?
Yes, the conrods may require big-end or small-end honing due to factory size variations, and the pistons will need correct bore clearance and ring gaps set by the engine builder for optimal performance.
