Engineered for high horsepower (up to 800 BHP) with forged internals and closed-deck blocks.
Unknown maintenance history; shorter warranties (often 90 days, parts only). buy subaru engine
Restored to "like-new" standards with new components like oversized pistons and custom bearings. Cost: Moderate to high ($5,000–$9,000). Engineered for high horsepower (up to 800 BHP)