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Description
Hooker Blackheart LT Turbo Exhaust Manifolds - 8540HKRHolley's new LT Turbo Exhaust Manifolds provide a simple and effective way to add a turbo to your LT powered car or truck. These turbo manifolds are made from High Silicon Moly ductile iron, which are much more durable and retain more heat than fabricated headers. This added heat retention aids in turbo efficiency. Their compact design allows for better fitment in multiple applications and better spark plug access than many fabricated headers do.
Holley's new LT Turbo Exhaust Manifolds provide a simple and effective way to add a turbo to your LT powered car or truck. These turbo manifolds are made from High-Silicon-Moly ductile iron, which are much more durable and retain more heat than fabricated headers. This added heat retention aids in turbo efficiency. Their compact design allows for better fitment in multiple applications and better spark plug access than many fabricated headers do. These manifolds work with most common LT swap parts (i.e. motor mounts, swap oil pan, and accessory drive systems) & provide the basic building blocks needed to complete a custom turbo system for your GM LT engine.
Features:
- Designed to integrate with the most common LT swap applications and components
- 3 inch V-Band outlet and 2.5 inch V-Band crossover connections provide a tight seal
- Includes a heat shield to protect heater hoses
- Hardware included – Stainless steel V-Band clamps, V-Band flanges and header bolts
- High-Silicon-Moly Ductile iron construction retains heat for better turbo efficiency and is more durable that headers
- Compact design allows for better fitment and spark plug access
Specs
| Brand | Hooker BlackHeart |
|---|---|
| Collector Diameter | 3.00 inch Outlet/2.50 Cross-over connection |
| Emission Code | 4 |
| Engine | GM LT |
| Finish | Natural |
| Flange Style | V-band |
| Header Style | Turbo manifold |
| Material | Cast Iron |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Manifold |
| Part Number | 8540HKR |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Quality item
Color: White, Size: X-Large
Not too thick and not too thin, the quality is good I just wish the neck fit a little firmer and it would be 5stars
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Well made and comfortable
Color: White, Size: Large
The turtleneck is well made and very comfortable. It's good looking too! I have a similar turtleneck (from an unknown maker - tag is missing) that I've owned for more than 40 years. It will likely outlast me!
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Great fit.
Color: White, Size: Large
Fit as described, fast shipping, great experience.
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Reviewed in the United States on March 24, 2026
★★★★★ 3
BO - stinky!
Color: White, Size: Medium
Shirt itself fits great and has a soft almost velour feel to it. Ribbing nice and not itchy. However, it arrived with the most disgusting baked-in body odor smell, as if someone had sweated heavily in it. Unsure if it’ll be able to be laundered out.
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Reviewed in the United States on October 29, 2025
★★★★★ 5
Shirt
Color: A-black, Size: Medium
Nice.
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Reviewed in the United States on May 2, 2026