Description
Part Number: AF9599-1002
AeroFlow GM LS Series Stainless Steel Block Hugger Headers
Engineered for tight engine bays and retro-fit GM LS swaps, providing maximum chassis clearance with high-grade stainless steel construction.
Key Features
- ☑ Compact block hugger design tailored for custom LS engine conversions and tight chassis clearance
- ☑ High-grade stainless steel construction offering superior heat durability and corrosion resistance
- ☑ 1-5/8″ (41.3mm) primary header tubes for optimal exhaust gas velocity and scavenging
- ☑ 2-1/2″ (63.5mm) collector outlet with 3-bolt collector flanges included
- ☑ Includes weld-in M18 x 1.5mm O2 sensor bungs for wideband monitoring and EFI integration
- ☑ Complete hardware kit supplied with manifold gaskets and collector fasteners
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Part Number | AF9599-1002 |
| Engine Fitment | GM LS Series (LS1, LS2, LS3, LS6, etc.) |
| Header Style | Block Hugger (Retro-Fit / Tight Bay) |
| Primary Tube Diameter | 1-5/8″ (41.3mm) |
| Collector Outlet Diameter | 2-1/2″ (63.5mm) |
| Collector Style | 3-Bolt Flange |
| Material | Stainless Steel |
| O2 Sensor Mounts | 2x M18 x 1.5mm Weld-In Bungs Included |
What’s Included in the Box
- 2 x AeroFlow Stainless Steel Block Hugger Header Manifolds
- 2 x Engine Block Exhaust Manifold Gaskets
- 2 x 3-Bolt Collector Flanges
- 2 x 3-Bolt Collector Exhaust Gaskets
- 2 x M18 x 1.5mm Weld-In Oxygen (O2) Sensor Bungs
- 12 x M8 x 1.25mm Header Bolts
- 6 x 3/8″-24 Collector Bolts with Nuts and Washers
AeroFlow Performance products are trusted across international motorsport for precision engineering, excellent fitment, and robust performance under extreme conditions. At JP Racing, we supply full AeroFlow lines with fast UK dispatch and dedicated technical support for your performance build.
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