OS Giken - RB31 Race Engine
The ultimate upgrade for your RB26, these complete pre-assembled bottom-end kits are rated to handle power outputs up to 1400hp.
The RB31 features 88mm stroke and can also be supplied with 87mm pistons for 3.2 litre capacity. Normal combustion chamber volume comes to 10cc, but specially shaped pi…
AUD $ 29993.95
AUD $ 29380.60
OS Giken - RB30 Race Engine
The ultimate upgrade for your RB26, these complete pre-assembled bottom-end kits are rated to handle power outputs up to 1400hp.
The RB30 features 86mm stroke with a forged chrome-moly crank, forged chrome-moly SCM steel H-beam conrods and forged 4032 aluminium 86mm pistons. It is made using a n…
