Nissan RB30ET Ross Racing Forged Piston (8.5:1)
+0.5mm / 86.5mm 8.5:1
$1,750.00
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<h4>Ross Racing Forged Pistons to suit RB30ET</h4>
<p>These are a custom piston made by Ross for Spool Imports.</p>
<p>Pistons are available in:</p>
<ul>
<li>Compression Ratio: 8.5:1</li>
<li>Bore Sizes: 86.5mm </li>
<li>0.225” wall Carbon steel </li>
<li>Pistons come with rings, gudgeon pins and pin locks</li>
<li>Forged 2618</li>
</ul>
<p>Rated at 1000HP by Ross Racing.</p>
<h4>Ross Racing Pistons:</h4>
<p>All 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.</p>
<p>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.</p>
Nissan RB30ET Ross Racing Forged Piston (8.5:1)
$1,750.00
Available options
- Piston Option: +0.5mm / 86.5mm 8.5:1
Engine build fitment
RB30ET (SOHC). Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.
Installation and BBT workshop support
Confirm finished bore size, piston-to-wall clearance, compression height, pin specification, ring gaps and valve clearance against the supplied piston documentation.
Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.