$150 OFF Early Black Friday Special! (1999 - 2005) SOHC EJ251 Stock Long Block - starts at $2,849 (regular price $2,999) with a rebuildable core exchange.
Engine code fitments:
EJ251 SOHC 2.5L (Please specify casting, eg: L25, Q25)
- 1999 - 2005 Subaru Impreza (RS, TS, Outback Sport)
- 2000 - 2004 Subaru Legacy
- 2000 - 2004 Subaru Outback
- 1999 - 2004 Subaru Forester (L,S)
- 2003 - 2004 Subaru Baja
Deposit: $850 (regularly $1,000) paid today is a security deposit which reserves your product and goes towards the cost of your build. It is non-refundable.
Full In-House Rebuild: Designed to be better than new.
Reverse engineered to ensure any factory defects are eliminated.
Quality tested to ensure proper compression, oil pressure, and water temperature.
Add-ons:
- OEM Timing +$550 (Includes NEW timing components, rebuilt modified high volume oil pump, NEW timing belt installed & timed)
Core Deposit (added onto base price):
- EJ251: $1,500
- Refundable, based on damage of your core. We must receive your core within 30 days of delivery of this product. Bad crank core charge may be applied if crank needs to be replaced upon inspection.
- No outright option available at this time
Final Invoice: Shipping, core deposit and sales tax (if in California) will be added onto the final invoice. Balance due before product is shipped out.
ALL SALES ARE FINAL. Customer is responsible for reading our online store policies. Prices may change due to part price fluctuation at time of order.
*Black Friday Sale ends 11/30/25 at 11:59pm PST
Get started by calling us at 1-877-GCH-SUBI (1-877-424-7824)
Or message us here or email us at: info@gchlongblockracing.com
(1999 - 2005) Impreza, Legacy, Forester, Baja EJ251 Stock Long Block - $2,849
We have three generations of engineering and craftsmanship in the field of stock and high performance machining and building.
Everything is built in house, and our team has control over what leaves our shop.
Each block goes through our rigorous inspection from start to finish, and we measure and inspect everything inside and out to make sure we are always within perfect tolerance levels. Our team makes all needed adjustments.
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Thoroughly cleaned by Jet Wash, with a hand cleaning, pressure wash, and high pressure oil galley deep cleaning
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Block honed
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Block and heads resurfaced
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Cylinders bored to each piston lay out
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Crankshaft ground on index to better than OE tolerances for clearance
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Connecting rods reconditioned to better than OE-specified tolerances
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Cylinder head valve guides are reconditioned to better than OE specified tolerances and valve seats 3-angle machined
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All “wear” parts like pistons, rings, bearings, and gaskets replaced with new
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All parts meet or exceed OE specs
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