Nitto – RB30 DOHC *WIDE JNL* 3.2L STROKER KIT (V2 I-BEAM RODS / 87.0MM BORE) – 4340 (NIT-STK-RB30IWD87)

Nitto – RB30 DOHC *WIDE JNL* 3.2L STROKER KIT (V2 I-BEAM RODS / 87.0MM BORE) – 4340 (NIT-STK-RB30IWD87)

Nitto – RB30 DOHC *WIDE JNL* 3.2L STROKER KIT (V2 I-BEAM RODS / 87.0MM BORE) – 4340 (NIT-STK-RB30IWD87)

Why Choose the Wide Journal Kit?

• Proven Evolution of the Original 3.2L Stroker

  • Built from the success of Nitto’s original RB30 stroker kit

  • Used in some of the quickest and fastest GTRs worldwide

• Upgraded Bearing Journal Design

  • Connecting rod journal widened by over 20%

  • Larger surface area spreads load, increasing bearing life

  • Enables more aggressive tuning without sacrificing reliability

  • Reduces need to “tune to the bearing” — more freedom, more power

• Stronger, More Reliable Connecting Rods

  • Wider journal = wider rod big end = more material = more strength

    • Improves both power capacity and long-term durability

• Kit Includes:

  • Nitto/CP Pistons

    • Sizes available: various bore sizes

    • Cut from Turbo HD forging

    • Includes PVD Turbo ring set for top-tier sealing

    • Comes with CP 9310 wrist pins

  • Nitto Connecting Rods (152.4mm)

    • Configurations: I-beam, I1.5, V2

    • ARP 2000 rod bolts standard

    • Optional Custom Age 625 rod bolts available

  • Wide Journal Stroker Crankshaft

    • Made from 4340 billet steel

    • Optional upgrade to EN40B material for added strength

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