Description
Part Number: AF37-1013
Aeroflow GM LS Header Bolts Long – M8 x 1.25mm (12 Pack)
High-strength 8740 chromoly long exhaust header bolts engineered specifically for GM LS series V8 engines.
Key Features
- ☑ High-tensile 8740 chromoly steel construction ensures optimal clamping torque and thermal stability
- ☑ Extended 1.181″ (30mm) Under Head Length (UHL) ideal for thicker aftermarket header flanges
- ☑ Compact 12-point head design for increased tool clearance around tight primary exhaust bends
- ☑ Corrosion-resistant black oxide finish for long-lasting durability in harsh engine bay environments
- ☑ Supplied as a complete set of 12 bolts tailored for General Motors LS series cylinder heads
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Part Number | AF37-1013 |
| Application | GM LS Series Engines |
| Thread Size | M8 x 1.25mm |
| Under Head Length (UHL) | 1.181″ (30mm) |
| Overall Length | 37mm |
| Head Style | 12-Point Head (suits 10mm spanner/socket) |
| Material | 8740 Chromoly Steel |
| Finish | Black Finish |
| Quantity | Pack of 12 |
What’s Included in the Box
- 12 x Aeroflow AF37-1013 GM LS Long Header Bolts (M8 x 1.25mm, 30mm UHL)
Aeroflow Performance products are manufactured under strict quality standards to meet the demands of high-performance motorsport applications. As an authorized supplier, JP Racing delivers high-grade engine hardware with dedicated UK customer service and fast dispatch.
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