Cometic PRO2048C Complete Gasket Kit for 2008-2020 Subaru WRX STI EJ257

Vehicle Fitment

• 2008-2020 Subaru WRX STI (EJ257, 2.5L Turbo)
• 2008-2014 Subaru Impreza WRX STI (EJ257, 2.5L Turbo)

Features

• Multi-Layer Steel head gaskets designed for high boost applications
• High-strength stainless steel construction for long-term durability
• Rubber-coated outer layers for improved heat and pressure sealing
• Complete engine rebuild gasket coverage for the EJ257 platform
• Designed for high temperature and high cylinder pressure environments
• Precision-formed sealing surfaces for consistent compression
• Ideal for both performance and OEM-style engine rebuilds
• Manufactured under strict quality control standards

Specifications

• Engine application: Subaru EJ257 2.5L Turbo
• Head gasket bore: 101 mm
• Compressed head gasket thickness: 0.032 in
• Gasket type: Multi-Layer Steel (MLS)
• Includes front and rear seals for full rebuild coverage
• Compatible with OEM and aftermarket rebuild components
• Designed for DOHC turbocharged cylinder heads
• Suitable for stock or modified EJ257 engine builds

Included Components

• 2x MLS head gaskets (101 mm bore)
• 2x intake manifold gaskets
• 2x intake-to-tumbler gaskets
• 2x intercooler inlet gaskets
• 2x exhaust manifold gaskets
• 1x oil cooler gasket
• 1x throttle body gasket
• 1x rear main seal
• 2x air pump gaskets
• 4x camshaft seals
• 2x exhaust crossover gaskets
• 1x valve cover gasket set
• 16x valve stem seals
• 1x water pump gasket
• 2x coolant crossover O-rings
• 1x thermostat seal
• 1x timing cover gasket set
• 1x blow-off valve gasket

Product Description

The Cometic PRO2048C Street Pro Complete Gasket Kit is engineered specifically for the Subaru EJ257 2.5L turbo engine, delivering premium sealing performance for both factory and high-output builds. With Multi-Layer Steel head gaskets and high-temperature resistant coatings, this kit ensures excellent durability under boost, heat, and heavy load.

Designed as a full engine rebuild solution, it includes every gasket, seal, and O-ring required for complete disassembly and reassembly of the EJ257 engine. Whether you're refreshing a worn engine or building a performance-ready long block, the PRO2048C provides the precision and reliability needed to maintain proper compression and prevent leaks.

This gasket kit is ideal for tuners, builders, and Subaru enthusiasts seeking a dependable solution for WRX STI engine repair or performance upgrades. Proper installation and torque procedures are recommended to achieve optimal sealing with the MLS head gaskets.