OS Giken – RB31 Race Engine

Description

Unlock unparalleled performance with our cutting-edge RB26 upgrade. Our meticulously crafted, pre-assembled bottom-end kits are engineered to effortlessly handle power outputs of up to 1400hp. Elevate your driving experience with the RB31, boasting an impressive 88mm stroke and the option for 87mm pistons, delivering a formidable 3.2-litre capacity. Customize your combustion chamber volume with specially shaped pistons available through bespoke orders.

The RB31 is meticulously constructed using an N1 block, featuring the same thoughtfully designed spacer and liner arrangement as the renowned RB30. Benefit from enhanced durability with an incorporated oil restrictor and piston cooler jets. For optimal performance, pair the RB31 with the indispensable OS Giken 8-bolt clutch.

Experience a seamless delivery process ? our kits are shipped via Sea for your convenience, ensuring secure transportation due to their substantial weight. Upgrade your RB26 with confidence, unlocking a new realm of power and precision.