Nitto Performance Engineering RB30 DOHC 3.2L STROKER KIT (I-BEAM RODS / 86.0MM BORE) – (NIT-STK-RB30ID86)

Factory RB30 engines had harmonic and durability limitations
NITTO addressed these with a full billet upgrade and increased displacement to 3.2L
Proven performance — used in world-record holding GTRs and RB-powered vehicles
Why Choose the Standard Journal 3.2L Kit?
Designed for street cars and competitive drag builds
Flagship product of Nitto’s RB component range
Standard rod journal size offers compatibility with existing setups
Ideal balance of power, durability, and versatility
Kit Components
Nitto/CP Pistons

Configurations for SOHC or DOHC setups
Bore size options:

85mm (–0.040″)
86mm (+0.000″)
86.5mm (+0.020″)
87mm (+0.040″)
Made from Turbo HD forging
PVD Turbo ring set for maximum sealing
Includes CP 9310 wrist pins
Nitto Connecting Rods (152.4mm)

Available in I-beam, I1.5, and V2 configurations
Comes with ARP 2000 rod bolts
Optional Custom Age 625 rod bolt upgrade
3.2L Stroker Crankshaft

Made from 4340 billet steel
Optional upgrade to EN40B crankshaft for superior strength