Nissan RB25 or RB26 Spool H Beam Conrods and Ross Racing Forged Pistons
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Spool RB25 or RB26 Forged Connecting Rods and Ross Racing Forged Pistons
This Package includes:
- Spool Forged H Beam Conrods (ARP 2000 3/8 Bolts)
- Custom Ross Racing Forged Pistons (Rings, Pins and Locks)
Ross Racing Pistons Feature:
These Pistons are custom made for Spool and rated at 900-1000hp by Ross Racing Pistons.
With upgrade pins Ross rate these pistons up to 250 bhp per cylinder.
- Compression Ratio: 9.0:1 - 9.5:1
- Bore Sizes: +0.5mm and +1mm
- Pistons come with NPR Gas Nitrided top ring, three pcs. oil
- 0.225” wall Carbon steel
- Forged 2618
- Locks
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.
This material has less than 1% silicon particulate content. High silicon content pistons (forged from 4032 or MS75) will not stand up to the most extreme stress placed on many racing pistons. If a crack starts to form in a high silicon piston it will continue until the piston experiences a catastrophic failure. Simply stated, adding sand to the aluminum only makes it more brittle. In the rare instance of a 2618-T61 piston cracking, the crack will continue to an area where the stress is not as great and will then stop. Another advantage of 2618-T61 over the high silicon pistons is the ability to keep its shape under extreme pressure and high RPM's. "Skirt Shrinking" is not a problem with ROSS Racing Pistons.
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
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout. If you are unsure get in touch with sales@spoolimports.com
Note: We recommend Joe Gibbs Break in Oil for all new engines.
Product Name | Nissan RB25 or RB26 Spool H Beam Conrods and Ross Racing Forged Pistons |
---|---|
Brands | Spool |
Engine | RB25, 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.
You can calculate shipping rates inside the shopping cart. After adding all the products you would like, navigate to the cart and click the ESTIMATE SHIPPING & TAX link. For Australia, you need to select from ALL dropdowns (Country, State, Suburb, and Postcode) for the quote system to work. (There may be a small delay as it searches.) For international orders, you only need to select the Country to get a quote, but more details are required at checkout to complete the order.
If you have issues calculating freight, please get in touch. The most common reason for issues is that the postcode does not match the suburb, or the suburb is spelled differently from what the carriers have.
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 sales@spoolimports.com, messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).