Nissan RB30 (SOHC) Spool H Beam Conrods and Ross Racing Forged Pistons (9.0:1)
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Spool RB30 (SOHC) Forged Connecting Rods and Ross Racing 9.0:1 Pistons.
Pistons are available in:
- Compression Ratio: 9.0:1
- Bore Sizes: +0.5mm and +1mm
- Pistons come with rings, gudgeon pins and pin locks
- Forged 2618
- Tool steel 52100 pins - 0.180"
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
Ross Racing Pistons:
All of Ross Racing Pistons (since 1985) have been forged from 2618 billet bar stock and have been heat treated and aged to a T61 condition (2618-T61). 2618-T61 is the material that is used when fatigue resistance and durability are of prime importance by all premium racing piston manufacturers.
Note: We recommend Joe Gibbs Break in Oil for all new engines.
| Product Name | Nissan RB30 (SOHC) Spool H Beam Conrods and Ross Racing Forged Pistons (9.0:1) |
|---|---|
| Brands | Spool |
| Engine | RB30ET (SOHC) |
| 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 are the recommended bore sizes for the Ross Racing pistons in the Spool RB30ET kit?
The Ross Racing pistons in the Spool RB30ET kit are available in bore sizes of +0.5mm and +1mm. Ensure that your engine block is machined to the correct specifications to accommodate these sizes.
What is the compression ratio of the pistons included in the Spool RB30ET kit?
The pistons included in the Spool RB30ET kit have a compression ratio of 9.0:1. This ratio is suitable for a balance of performance and reliability, but tuning and fuel quality will impact overall engine performance.
What type of fasteners are used in the Spool RB30ET conrods?
The Spool RB30ET conrods come standard with ARP2000 fasteners. An upgrade to L19 fasteners is available for those seeking additional strength, particularly in high-performance applications.
What machining processes are recommended for the conrods and pistons in this kit?
The conrods may require big-end or small-end honing to ensure proper fitment due to manufacturing tolerances. The pistons will need to be fitted with correct bore clearance and ring gaps set by the engine builder for optimal performance.
What material are the Ross Racing pistons made from, and why is it significant?
The Ross Racing pistons are forged from 2618 billet bar stock and heat treated to a T61 condition. This material is known for its excellent fatigue resistance and durability, making it ideal for high-performance and racing applications.
