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Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh]

$144.99 $463.99 -69%

Top-Notch Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh] Introducing the Smeding Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh], a masterpiece of engineering designed for those seeking unparalleled performance and reliability. This long block is meticulously crafted with the highest attention to detail,

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Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh]

Top-Notch Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh]

Introducing the Smeding Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh], a masterpiece of engineering designed for those seeking unparalleled performance and reliability. This long block is meticulously crafted with the highest attention to detail, ensuring that every component meets the unique demands of your engine build. With three different configurations available, you can choose the perfect setup to match your horsepower goals and driving style.

Powerhouse Specifications

The Smeding Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh] is equipped with top-of-the-line components that guarantee peak performance. The Dart SHP Iron block, 6 Bolt 7/16" Head Threads, and 7/16" Main Bolts provide a robust foundation. The Smeding 4340 crankshaft, rods, and pistons are engineered for durability and power. With two different piston volume options, you can select the perfect fit for your desired horsepower rating. The stainless steel top rings and Napier 2nd rings ensure optimal engine performance and longevity. Additionally, the Smeding Forged Steel Hydraulic Roller camshaft and Gaterman Link-Bar Hydraulic Roller lifters contribute to smooth and efficient engine operation.

Unmatched Performance and Versatility

The Smeding Stress-free 427" Ls3 Long Block - Exclusive Drop [9VOeU2Jh] is the ideal choice for both seasoned enthusiasts and new builders looking to elevate their engine builds. Whether you're aiming for 1300hp or 1700hp, this long block delivers the power and precision you need. Its comprehensive package includes cylinder heads, head gaskets, head fasteners, pushrods, and rocker arms, ensuring a seamless and hassle-free installation. With the 1-year workmanship guarantee on Power Adder engines, you can rest assured that your investment is protected. This long block is perfect for high-performance applications, off-road adventures, and everyday driving, providing the ultimate driving experience.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

An outstanding gadget. It is extremely so very solid.

- Teyrnon Y..

January 27, 2026

Absolutely no complaints!

So glad I went ahead with this awesome purchase.

- Ronabwy A..

January 27, 2026

Absolutely no complaints!

It's a wonderfully made and engineered piece of kit.

- Zillah X..

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