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WRX/STI STG II Rotating Assembly

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  • WRX/STI STG II Rotating Assembly
  • WRX/STI STG II Rotating Assembly


STG II - **NOW AVAILABLE WITH MANLEY H TUFF CONNECTING RODS** This is where things start to get serious! If you are looking for a great rotating assembly to handle 400-600 HP builds you have found it! This kit upgrades the connecting rods to the Manley H beam PLUS or TUFF connecting rod with the ARP 625 or 2000 series rod bolts. This assembly has been well proven to handle up to 600 HP when properly tuned! If you are building a street/ strip machine to handle up to 600 HP you don't need to look any further than this page. We make things simple, we make things easy, we are the best at what we do when it comes to building Subaru EJ engines. No one has as many options and can back it up with customer support and help when you need it! Whether you want to build a 2.0l high revving motor or a 2.7l stroker we have you covered, you want custom compression ratio pistons? We can do that too. Want to have the assembly fully balanced before it is sent to you? Got you covered there as well. You want your piston tops ceramic coated? Easy, just choose that option when you are building your PERFECT rotating assembly! BUILT EJ is the last place you will ever need to go for Subaru parts.

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