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User-friendly Holley Mid-rise Plenum Base Adapter Kit - Gm Ls1/ls2/ls6 300-267 45% Off - Today Only [EdMNvu9y]

$59.99 $191.99 -69%

Holley Mid-Rise Plenum Base Adapter Kit - GM LS1/LS2/LS6 The Holley Mid-Rise Plenum Base Adapter Kit is a versatile and high-performance solution designed specifically for GM LS1/LS2/LS6 engines. This kit transforms your modular intake manifold into

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Holley Mid-Rise Plenum Base Adapter Kit - GM LS1/LS2/LS6

The Holley Mid-Rise Plenum Base Adapter Kit is a versatile and high-performance solution designed specifically for GM LS1/LS2/LS6 engines. This kit transforms your modular intake manifold into a cutting-edge EFI intake manifold, offering a seamless blend of traditional dual-plane layout and modern EFI technology. With its unique modular design, this kit is perfect for those seeking an all-in-one solution for their engine's performance and aesthetics.

Key Features and Benefits

Experience enhanced performance with the Holley Mid-Rise Plenum Base Adapter Kit, which provides exceptional power from 1500 to 6500 rpm. This kit is ideal for both street and strip applications, offering a power band that caters to a wide range of driving conditions. The cast aluminum construction ensures durability and longevity, while the unique design allows for a seamless integration of the traditional dual-plane layout with an EFI manifold plenum. This combination provides great mid-range torque without compromising top-end power, making it perfect for supercharged or turbocharged engines.

Product Specifications and Uses

This adapter kit is engineered to work with LS Dual Plane Mid-Rise intake manifold bases, making it easy to adapt to modular tops. The Holley 92MM EFI plenum top completes the conversion, providing a sleek and performance-oriented look. With 12 mount holes, this kit is compatible with all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. A limited 90-day warranty is included, ensuring peace of mind for your investment. Whether you're looking to upgrade your street car or build a high-performance engine, the Holley Mid-Rise Plenum Base Adapter Kit is the perfect choice. Just remember that some vehicle applications may require an aftermarket hood to accommodate the new intake manifold.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

So glad I committed to this purchase.

- Thatcher Z..

December 31, 2025

Absolutely no complaints!

This is a really fine and a very, very useful product.

- Rhiain M..

December 31, 2025

Absolutely no complaints!

This has become a critical part of my kit.

- Phineas S..

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