Arlen Ness Radius Oil Pressure Gauge Kit for Twin Cam Models

• Oil pressure gauge
• Billet aluminum gauge housing
• Radius style billet mounting brackets
• Braided stainless steel oil hose assembly
• Necessary mounting hardware

Monitor Engine Oil Pressure
Allows the rider to constantly monitor engine oil pressure, adding confidence and visibility while riding.

Premium Engine-Mounted Gauge Setup
Mounts to the engine’s rear rocker box for a clean, functional, and highly visible installation.

CNC-Machined Billet Aluminum Housing and Brackets
Radius style gauge housings and brackets are CNC-machined from billet aluminum for strength, precision, and a premium custom look.

Black Anodized or Chrome Finish Options
Available in black anodized or chrome finish to match your engine and overall bike style.

Glycerin-Filled Gauge
The oil pressure gauge is filled with vibration-isolating glycerin to help keep the gauge readable in real riding conditions.

Stainless Steel Gauge Housing and Glass Lens
Features a stainless steel oil gauge housing with a glass lens for durability, clarity, and a high-end finish.

Black Gauge Face with Arlen Ness Logo
Includes a clean black gauge face with Arlen Ness branding for a premium appearance.

Braided Stainless Steel Oil Hose Assembly
Comes with a quality USA-made braided stainless steel oil hose assembly for durability and a clean installation.

Adds Style and Function
Provides a great view of the gauge while adding a custom performance look to your Twin Cam engine.

Complete Installation Kit
Includes the oil gauge, billet gauge housing, brackets, stainless steel hose assembly, and necessary hardware for installation.

Fits:

1999–2017 Harley-Davidson Twin Cam models

Always confirm your exact year, model, engine setup, and rocker box configuration before ordering.

What does the Arlen Ness Radius Oil Pressure Gauge Kit do?
This kit allows riders to constantly monitor engine oil pressure on compatible Harley-Davidson Twin Cam models.

Where does the gauge mount?
The gauge mounts to the engine’s rear rocker box for a clean and visible installation.

What models does this kit fit?
This kit fits 1999–2017 Harley-Davidson Twin Cam models.

What is included in the kit?
Each kit includes the oil pressure gauge, billet gauge housing and brackets, braided stainless steel oil hose assembly, and necessary hardware.

What is the gauge filled with?
The gauge is filled with vibration-isolating glycerin to help keep the gauge easy to read while riding.

What is the gauge housing made from?
The gauge housing and brackets are CNC-machined from billet aluminum.

What finish options are available?
The Radius gauge housing and brackets are available in black anodized or chrome finish.

Does this kit include the oil hose?
Yes. The kit includes a braided stainless steel oil hose assembly.

Is this only for looks, or is it functional?
This kit is both functional and stylish. It allows oil pressure monitoring while adding a premium custom look to the engine.

Is professional installation recommended?
Professional installation is recommended to ensure proper oil line routing, fitting installation, clearance, and leak-free operation.