Spool Ford AU 4 Litre Ross Racing Forged Pistons and Drag Pro I Beam Conrods
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
Spool Ford AU 4 Litre Ross Racing Forged Pistons and Drag Pro I Beam Conrods
This combination uses the BA Rod with a Custom Piston
These are a custom piston made for us and rated at 1000hp by Ross Racing Pistons. The pistons come standard with a 0.200" (5mm) Tool Steel 52100 Gudgeon Pin.
Pistons are available in:
- Compression Ratios: 9.0:1
- Bore Sizes: +0.5mm and +1mm
- Pistons come with rings, gudgeon pins and pin locks
- Forged 2618
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.
Spool Drag Pro I Beam Connecting Rods Feature:
- 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
| Product Name | Spool Ford AU 4 Litre Ross Racing Forged Pistons and Drag Pro I Beam Conrods |
|---|---|
| Brands | Spool |
| Engine | 4.0L Inline 6, AU Inline 6 |
| Make | Ford |
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. .
If you only see the Click and Collect shipping option, it means that your address was not validated correctly.
If you have issues calculating freight, please get in touch. We are happy to help.
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 compression ratios for the Spool Ford AU 4 Litre Ross Racing Pistons?
The Spool Ford AU 4 Litre Ross Racing Pistons are available with a compression ratio of 9.0:1. This ratio is suitable for performance applications, but be sure to consider your specific engine setup and fuel quality.
What are the bore size options for the Ross Racing Pistons?
The Ross Racing Pistons for the Ford AU 4 Litre are available in bore sizes of +0.5mm and +1mm. Ensure that you select the correct size based on your engine's requirements and any previous machining done.
What type of connecting rods are included in this kit?
This kit includes Spool Drag Pro I Beam Connecting Rods, which feature upgraded ARP2000 7/16 bolts for enhanced strength. These rods are designed for high-performance applications and are suitable for builds aiming for significant power levels.
What material are the Ross Racing Pistons made from?
The Ross Racing Pistons are forged from 2618 billet bar stock, which is heat treated and aged to a T61 condition. This material is known for its excellent fatigue resistance and durability, making it ideal for high-performance applications.
What machining considerations should I keep in mind when using this piston and conrod kit?
When using the Spool Ford AU 4 Litre Ross Racing Pistons and Drag Pro I Beam Conrods, ensure that the piston bore clearance and ring gaps are set correctly by your engine builder. Additionally, the conrods may require big-end honing for proper fitment, and the entire rotating assembly should be balanced for optimal performance.
