Blueprinted short blocks, long blocks, and cylinder heads — engineered for street, track, and endurance. Every assembly leaves the shop torqued, verified, and ready to make power.
Subaru-only. EJ and FA platform. Street, track, and endurance.
Every build starts with a clear power goal. Choose a stage below.
Stock-spec rebuild with OEM or OEM-equivalent components. Correct for daily drivers and reliability-first builds.
View buildsForged pistons, race bearings, ARP studs. The most popular build for WRX and STI owners who want real power and daily reliability.
View buildsManley or Wiseco forged assembly, ported heads, full supporting mods. Big-turbo street and track builds that are serious about numbers.
View buildsDarton MID sleeves, balanced rotating assembly, fully custom spec. Quoted individually based on your goals, chassis, and fuel strategy.
Get a quoteUse the Garage Selector to filter parts for your exact Year / Model / Goal — or contact us and we'll build the right kit list for you.