LS 140A Alternator Upgrade Mounting Kit for RB20 RB25 RB26 & RB30 DOHC/SOHC

***** Limited edition new release anodizing color - Titanium Grey *****

Increased your electrical demand? Running big fuel and ignition system? Or Perhaps running a fully sick sound system… whichever it is, you will need an alternator upgrade to keep up with your electrical demand.

✔ Kit comes with a replacement 15% underdriven hard-wearing stainless steel alternator pulley for the perfect belt alignment and to ensure operational reliability at high revs.

✔ Far surpasses OEM RB alternator current delivery (80A nominal on the stock RB alternator) .

✔ Bolt-on, simple and no-fuss slick looking CNC Billet aluminium 6061 mounting adapter.

✔ OEM like belt tensioning mechanism.

✔ High tensile fasteners.

✔ Retains OEM alternator wiring harness and connector (R32, M6 ring terminal to be replaced with M8 ring terminal).

!  RB30 SOHC - You need to use DOHC crank pulley to utilise multi-ribbed belt

!  Alternator NOT supplied – Mounting Kit Only. We use and recommend genuine GM early generation LS alternator (part no. 92058857) or the following aftermarket alternator to ensure correct fitment without further modifications and can be easily purchased online elsewhere at good prices;

Brand:                         OEX

Part No.:                      MXA306 (brand new aftermarket unit, not refurbished)

OEM Part No.:            92058857 (Early generation LS alternator)

!  Belt to use: 4PK925 Micro-V (RB26) or 4PK900 Micro-V (RB20/25) or 4PK915 Micro-V (RB25NEO) - may vary slightly if you're using aftermarket crank pulley and/or water pump pulley.

LS vs. Quest Alternator Comparison

RB20 RB25 RB26 RB30 Alternator Upgrade | RB Alternator Upgrade Kit | R32 R33 R34 Alternator Upgrade