M18x1.5 Exhaust Oxygen Sensor Bungs & Plugs Kit – 304 Stainless Steel Weld Bungs with Zinc Plated Plugs (2 Sets) for Headers & Downpipes

600°F Black Fiberglass Heat Shield Sleeve – Expandable Wrap for Fuel Lines, Spark Plug Wires & Brake Cables (1100°F Intermittent Protection)

8-Cylinder Spark Plug Boot Heat Shield Kit – 8 Fiberglass Sleeves & 12 Aluminum Wire Separators for 8-10mm Wires (High-Temp Engine Protection)

Fuel Hose Fitting Kit – 8 Black Anodized T6061 Aluminum Swivel Fittings (Straight/45°/90°/180°) + 6 Separator Clamps