At a Glance

• Condition: Cosworth-built crate engine, freshly built specification or low-mileage used
• Availability: In stock, Cosworth EJ257 crate engine available subject to availability
• Shipping: Specialty freight handling for crate engine to all 50 states, 7 to 14 business days
• Engine verified as Cosworth-built EJ257 (legendary British motorsport engineering firm Cosworth-engineered Subaru EJ257 crate)
• Cosworth specification documented (Cosworth-developed pistons, rods, crankshaft, head work, oil system, balanced rotating assembly)
• Application confirmed (Subaru WRX STI performance builds, custom Subaru projects, race / track day applications, stage upgrade builds)
• Horsepower potential documented (Cosworth-built EJ257 typically supports 450-700 plus HP capability with proper supporting modifications)
• Internals verified (Cosworth forged pistons, Cosworth-spec H-beam connecting rods, balanced crankshaft, ARP main and head studs)
• Both cylinder heads condition documented (CNC-ported / flowed in Cosworth specification)
• Cosworth oil system verified (high-volume oil pump, baffled oil pan, oil cooler provisions)
• 15 day replacement warranty on internal defects