TOMEI – Forged Piston Kit – RB26DETT

SKU: 4221
Available on back-order


Elevate your engine’s performance with TOMEI forged pistons. Designed to endure extreme conditions, our pistons, crafted from high-strength aluminum alloy, outperform stock OEM options. Withstand combustion pressures up to 200 kgf and 11 tons of force, while handling temperatures of 2,500 degrees Celsius. Trusted in highly tuned RB26 and SR20 engines, our pistons mirror those used in Group C and F1 racing. The kit includes pistons, rings, pins, and circlips, with bore size options for customization. Choose TOMEI for precision and durability, pushing your engine beyond stock limits.

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“Within the engine’s core, from the combustion chamber to the cylinder, a resilient piston operates, converting explosive energy into seamless rotational movement. The piston, enduring the most extreme conditions in an engine, withstands the relentless force of massive energy and temperature fluctuations. As a pivotal component transferring combusted energy to mechanical motion, the piston requires exceptional strength to endure these challenges. While stock OEM pistons, typically cast in mass production, serve their purpose, they falter in highly modified engines exceeding 100 horsepower per cylinder.

Our solution lies in the utilization of forged metal, specifically aluminum alloy, to craft pistons. This advanced material empowers the piston to thrive under extreme conditions, surpassing stock capabilities. Our forged pistons exhibit resilience, handling combustion pressures of 200 kgf and 11 tons of force, withstanding gas temperatures reaching up to 2,500 degrees Celsius. Notably, TOMEI pistons, found in highly tuned RB26 and SR20 engines, mirror those employed in Group C and F1 racing.

For your convenience, our piston kit, featuring pistons, piston rings, pins, and circlips, offers versatility with bore size options:

– 86.5mm: Part Number 1121865121
– 87.0mm: Part Number 1121870121
– 87.5mm: Part Number 1121875121

Elevate your engine’s performance with TOMEI forged pistons, the trusted choice for enthusiasts seeking durability and precision. Choose your preferred bore size below and experience unmatched quality.”


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