IAG 950 2.35L Destroked Long Block Engine W/ IAG 950 S Heads For 2002-05 USDM WRX

The IAG Performance hand-built Subaru 950 2.35L Destroked Long Block Engine package is a complete, valve cover to valve cover, crate engine. This engine provides a straightforward "drop-in" solution for those looking to upgrade their 2002-2005 Subaru WRX. This long block features a combination of our proven IAG EJ25 2.35L Destroked Closed Deck Short Block and IAG 950 Cylinder Head packages, along with a full range of carefully selected high-performance components to complete the assembly. When paired with our Long Block Installation Packages, you’ll have a true plug-and-play solution to get you back on the road, FAST! All components included are BRAND NEW and there is NEVER A CORE CHARGE required. With +2 longer rods, and 2.0L FHI crankshaft, IAG’s Destroked Long Block decreases piston speed, optimizing the rod-to-stroke ratio. This adjustment enhances key engine dynamics such as aspiration and combustion efficiency, while minimizing component wear. In terms of performance, this means increased power output, extended ring life, and the ability to rev higher—making this short block an ideal choice for track days, rally events, or drag racing applications.

• These engines offer significant ease of installation for customers seeking a complete "drop-in" engine package for their Subaru WRX.

Vehicle Specific

• Subaru: Impreza 02 - 05 WRX

Attributes:

• Brand Name: IAG Performance
• GTIN: 00887753983770
• Assembled: Yes
• Assembly Lubricant Included: No
• Bore Diameter: 99.75
• CNC-Machined Combustion Chamber: Yes
• CNC-Machined Exhaust Runner: Yes
• CNC-Machined Intake Runner: Yes
• Connecting Rod Beam Style: H Beam
• Connecting Rod Material: Forged Steel
• Crankshaft Material: Aluminum
• Cylinder Head Material: Aluminum
• Engine Block Material: Aluminum
• Engine Oil Pump Included: No
• Engine Water Pump Included: No
• Exhaust Valve Diameter: 33
• Exhaust Valve Length: 104.25
• Exhaust Valve Material: Stainless Steel
• Exhaust Valve Stem Diameter: 6
• Flexplate Included: No
• Flywheel Included: No
• Fuel Injectors Included: No
• Fuel Type: All
• Grade Type: Performance
• Intake Valve Length: 104
• Intake Valve Material: Stainless Steel
• Intake Valve Stem Diameter: 6
• Oil Pan Included: No
• Piston Material: Aluminum
• Piston Rings Included: Yes
• Piston Style: Dome
• Power Rating: 950 BHP
• Timing Cover Included: No
• Timing Set Included: No
• Valve Covers Included: Yes
• Valve Seal Material: Viton
• Valve Seals Included: Yes
• Valve Spring Retainer Material: Titanium
• Valve Springs Included: Yes
• Valves Included: Yes
• Windage Tray Included: No
• Wrist Pin Style: Full Floating

Extended Information:

• Country of Origin: US
• Emissions : Emissions Compliance Exempt
• Life Cycle Status: Available To Order

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 46 x 32 x 28 inches
• Weight: 285 POUNDS

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