Supreme precision machined products

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Custom made. Customer driven.

Every piece has a part to play. We engineer each component to your exact specification — using the right materials, the right process, and 75+ years of precision expertise.

GDI Fuel Rail Components
GDI Fuel Rail Fuel Components Fuel System Parts Fuel System Overview
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Fuel System Components

High Pressure GDI Fuel Rail Components

Supreme supplies a comprehensive range of components for High Pressure Gasoline Direct Injection (GDI) Fuel Rails, manufactured to the exacting tolerances demanded by modern automotive fuel systems.

Our proprietary MAThread® technology provides superior thread engagement and pull-out strength — a key differentiator for fuel system integrity under high-pressure conditions.

Application
GDI Fuel Rail Systems
Primary Material
2205 Duplex SS
Also Available In
304L & 303 Grade SS
Special Feature
MAThread® Proprietary

Component Types

Inlet Fittings Tube Nuts Ball Ends Sensor Bosses Custom Components
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Shift Lever Components
Shift Levers Shift Parts Shift Lever
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Shift Levers

40+ Years. 8 Million Per Year.

Supreme produces over 8 million shift levers annually for both manual and automatic transmissions — spanning almost every OEM in the North American market. Our expertise in this category represents over four decades of continuous process improvement.

Both tubing and solid bar construction are available, with a range of secondary operations including bending, broaching, and assembly to deliver a complete, ready-to-install component.

Annual Volume
8,000,000+ Units
Transmission Types
Manual & Automatic
Construction
Tubing & Solid Bar
Market Coverage
Near All OEMs

Secondary Operations

Bending Broaching Assembly Screw Machining CNC Turning
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Precision Turned Parts
Turned Parts CNC Machining Engineering
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Turned Parts

¼" to 3" and Beyond.

Supreme's precision turned parts capability covers sizes from ¼" to over 3" in diameter, with a wide range of equipment options and deep material experience. We work with carbon steels, aluminum, and stainless steels — selecting the optimal process for each application.

Our direct relationships with plating and heat treat sources allow us to supply a fully completed, ready-to-use part — simplifying your supply chain and reducing total cost.

Size Range
¼" to 3"+ Diameter
Materials
Steel, Aluminum, SS
Delivery
Completed Part
Post-Processing
Plating & Heat Treat

Materials Processed

1215 Carbon Steel Aluminum 304L Stainless 2205 Stainless 303 Grade SS
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Hydraulic Cylinders
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Hydraulic Cylinders

Industrial Power, Precision Built.

Supreme's dedicated hydraulic cylinder production line delivers large-format cylinders for industrial and recreational vehicle applications. A purpose-built production cell ensures consistency, quality, and delivery performance at scale.

Each cylinder is manufactured to your precise specifications, with full traceability and quality documentation to support your engineering requirements.

Application
Industrial & RV
Production
Dedicated Cell
Format
Large Hydraulic
Traceability
Full Documentation

Applications

Industrial Machinery Recreational Vehicles Off-Highway Equipment Custom Hydraulics
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Don't see exactly what you need? We make custom.

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