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Spool Custom Nissan RB20 Ross Racing Forged Piston

USD$1,080.00
Availability: In stock
SKU
sp_custom_rb20_9.0

Spool Nissan RB20 Ross Racing Forged Piston

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
  • Bore Sizes: 78.5mm or 79mm
  • 0.225” wall Carbon steel gudgeon pin (upgrade to H13 available)
  • 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.

Product images are for description purposes only. Actual product may vary.

More Information
Product NameSpool Custom Nissan RB20 Ross Racing Forged Piston
EngineRB20
MakeNissan

We are an Australian based company which ships items nationally and international usually within 48 hours of receiving your order. All items shipped internationally are sent express air freight unless otherwise instructed.

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Product images are for description purposes only. Actual product may vary.

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