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Complete Iag 950 Closed Deck Long Block Engine Accessory [Qj8xEY0C]

$139.99 $447.99 -69%

Complete Iag 950 Closed Deck Long Block Engine Accessory [Qj8xEY0C]The Complete Iag 950 Closed Deck Long Block Engine Accessory [Qj8xEY0C] is a top-tier, hand-built solution for Subaru EJ25 enthusiasts seeking a robust and high-performance engine package. Engineered to support up to 950 BHP applications, this

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Complete Iag 950 Closed Deck Long Block Engine Accessory [Qj8xEY0C]

The Complete Iag 950 Closed Deck Long Block Engine Accessory [Qj8xEY0C] is a top-tier, hand-built solution for Subaru EJ25 enthusiasts seeking a robust and high-performance engine package. Engineered to support up to 950 BHP applications, this long block combines the IAG 950 Closed Deck Short Block and IAG 950 Cylinder Head packages, offering a complete, valve cover to valve cover, crate engine. With its plug-and-play design, this engine package ensures a hassle-free installation process, allowing you to hit the road with confidence and speed.
  • Complete Crate Engine: Valve cover to valve cover, ready for installation.
  • High-Performance: Designed to support up to 950 BHP applications.

Technical Specifications and Features

The IAG 950 Long Block Engine is a masterpiece of engineering, featuring a brand new Subaru EJ25 case converted to closed deck and bored to 99.75mm. This closed deck design, combined with the IAG Fire-Lock™ gasket solution, ensures maximum strength and durability for high-horsepower applications. The internals are top-notch, including IAG-Spec JE FSR 2618 forged pistons, Tuff H-Beam connecting rods, and an OEM STI crankshaft. The IAG 950 Fully CNC Ported Cylinder Heads are designed for max flow, with GSC valve train components and GSC Billet Stage 2 camshafts for optimal performance.
  • Fire-Lock™ Gasket Solution: Prevents head gasket failure on high-horsepower Subaru engines.
  • Top-Notch Internals: IAG-Spec JE FSR pistons, Tuff H-Beam rods, and OEM STI crankshaft.

Practical Applications and Benefits

Whether you're a Subaru enthusiast looking to enhance your vehicle's performance or a professional in the automotive industry, the IAG 950 Long Block Engine is an ideal choice. Its plug-and-play design and high-power output make it a perfect solution for track days, off-road adventures, or daily driving. With its 12-month or 12,000-mile Standard Long Block Workmanship Warranty, you can rest assured that your investment is protected. This engine package is suitable for a wide range of applications, including street, track, and racing vehicles.
  • Plug-and-Play Solution: Easy installation for both DIYers and professionals.
  • High-Power Output: Perfect for track days, off-road, and daily driving.

What Our Customers Say

December 29, 2025

Absolutely no complaints!

It's a great item. And it is so, so, so useful.

- Eira E..

December 29, 2025

Absolutely no complaints!

An excellent item. It is extremely and so well made.

- Dylan M..

December 29, 2025

Absolutely no complaints!

A really great find. I'm exceptionally so happy.

- Ulric R..

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