Upgrade your Nissan RB engine with high-quality push-in rocker cover fittings, available in -8 AN, -10 AN, or -12 AN sizes. Designed to suit RB20DE, RB20DET, RB25DE, and RB25DET engines—including later model Neo RB variants.

Precision CNC-machined from billet 6061-T6 aluminium and finished with a sleek black anodising for enhanced durability, lightweight performance, and a premium look.

Perfect for performance builds and custom setups.

Application Guide

ModelEnginePort Size
Nissan Skyline R31RB20DE(T)15.8 mm
Nissan Skyline R32RB20DE(T)15.8 mm
Nissan Skyline R32RB25DE15.8 mm
Nissan Skyline R33RB25DE(T) NCVS*15.8 mm
RB25DE(T)NCVS*16.0 mm
Nissan Skyline R34RB20DE Neo16.0 mm
Nissan Skyline R34RB25DE(T) Neo16.0 mm

*Nissan Skyline R33 RB25DE(T) NCVS customers please check the physical size of your factory rocker cover fittings before purchasing.

Package Contents:

  • Your choice of -8 AN, -10 AN, or -12 AN push-in fitting (2)
  • A custom installation tool to ensure a secure fit and prevent damage during installation (1)
SKU 334-000219
Brand Franklin Performance
Type Aftermarket
Model # 059-RB2025--

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