Holden / Chev LS1–LS2–LS3 V8 5.7–6.3L – Exhaust Header Flange Plates (RHF083)

Header flange plates manufactured specifically for Holden Commodore VT–VF & Chev LS1, LS2, LS3 V8 engines. Precision laser-cut from 10mm mild steel to provide strength, accuracy, and durability for custom header or turbo manifold fabrication. Proudly Australian made.

Key Features

• Application: Holden Commodore VT–VF & Chev LS1–LS2–LS3 5.7L–6.3L V8
• Part Number: RHF083
• Port Size: 42mm (round)
• Material: Mild steel
• Thickness: 10mm
• Gasket Required: DSF138
• Australian made quality
• Ideal for custom header and turbo manifold fabrication

Fitment & Application

Designed to suit Holden Commodore VT–VF & Chev LS1–LS2–LS3 V8 engines. Cut specifically for this engine application – not a universal plate.

What’s Included

• 2 × Exhaust Header Flange Plates (RHF083) – 10mm mild steel, laser cut

Recommended With

• DSF138 Exhaust Gaskets – matching gasket set
• Header Bolts – for secure installation
• Oxygen Sensor Bungs – for O2 sensor placement
• Mild Steel Tubing – correct size for fabrication
• Mandrel Bends – for smooth flow and fabrication
• Collectors – 2-1, 3-1, or 4-1 depending on header design
• Welding consumables for mild steel

Warranty

12-Month Warranty – Covers manufacturing defects only. Incorrect installation, welding, or fabrication practices are not covered. Ensure correct preparation and alignment during header fabrication.

Customer Support

For phone orders, advice, or part enquiries – contact us:

📞 Call Now: +61 2 9547 3511 ✉️ Email Us