Description
Part Number: AF4038-32823C
Aeroflow XPRO GM LS 12″ Ignition Lead Set with 135° Ceramic Boots
Eliminate melted plug boots and ignition misfires with Aeroflow Performance’s 8.5mm XPRO ceramic ignition lead set, specifically engineered for GM LS engines running tight manifold clearances and high exhaust temperatures.
Key Features
- ☑ High-temp ceramic boots capable of withstanding extreme exhaust heat up to 1090°C (2000°F).
- ☑ Premium 8.5mm (21/64″) XPRO wire with spiral wound low-resistance core and high EMI suppression.
- ☑ Pre-crimped 45° silicone GM LS coil boots and 135° ceramic spark plug boots for ideal routing.
- ☑ 12″ (305mm) lead length specifically tailored for GM LS engine layouts and custom header clearance.
- ☑ Solves spark plug boot melting issues near aftermarket headers and turbo dump pipes.
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Manufacturer Part Number | AF4038-32823C |
| Wire Diameter | 8.5mm (21/64″) |
| Core Construction | Spiral Wound Low Resistance / High EMI Suppression |
| Lead Length | 12″ (305mm) |
| Spark Plug Boot Angle | 135° Ceramic Boot |
| Coil Boot Angle | 45° Silicone Boot |
| Boot Temperature Rating | Up to 1090°C (2000°F) |
| Engine Compatibility | GM LS Series (LS1, LS2, LS3, LS6, LS7, L98) |
| Quantity Supplied | Set of 8 Leads |
What’s Included in the Box
- 8 x Aeroflow 12″ (305mm) 8.5mm Ignition Leads with 135° Ceramic Boots & 45° LS Coil Boots
Aeroflow Performance products are renowned for uncompromising quality and track-proven reliability. As an authorized UK stockist, JP Racing supplies full Aeroflow hardware with expert technical support and fast UK shipping.







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