Holden 202 Spool H Beam Conrods and Ross Racing Pistons - (Flat Top)
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Spool Holden 202 OEM Length Connecting Rods and Custom Ross Flat Top Pistons - Now available!
Pistons are available in:
- Compression Height: 1.68" or 1.71" - Flat Top
- Bore Sizes: +0.040"
- Pistons come with Rings, Gudgeon Pins and Pin Locks.
- Forged 2816
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 | Holden 202 Spool H Beam Conrods and Ross Racing Pistons - (Flat Top) |
|---|---|
| Brands | Spool |
| Engine | Holden 202 |
| Make | Holden |
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 clearances for the Ross Racing pistons in the Holden 202?
For the Ross Racing pistons, a typical bore clearance of 0.0025" to 0.0030" is recommended. However, always consult with your engine builder to determine the best clearance based on your specific application and intended use.
What is the compression ratio with the flat top Ross pistons in a Holden 202?
The compression ratio will depend on the cylinder head used and the combustion chamber volume. Generally, with flat top pistons, you can expect a higher compression ratio, but precise calculations should be done based on your specific setup.
What is the torque specification for the ARP2000 bolts in the conrods?
For the ARP2000 bolts included with the Spool Holden 202 conrods, the recommended torque specification is around 55 ft-lb when using ARP Ultra-Torque lubricant. Always verify with ARP’s latest instructions for accuracy.
Do the conrods require any specific machining before installation?
Yes, the conrods may require big-end honing to ensure proper fitment on the crankshaft journals. It's essential to check the clearances and make any necessary adjustments during the assembly process.
What type of oil should be used during the break-in period for this engine kit?
It is recommended to use Joe Gibbs Break in Oil for all new engines, including those using the Spool Holden 202 conrods and Ross Racing pistons. This oil helps ensure proper lubrication and protection during the critical break-in phase.
