New to the United States in 2003 was the Subaru WRX STi. It comes stock with a 2.5 Liter semi-closed deck motor, and strong cast internals. The block will drop right in a WRX as it sits, but we offer this motor with some upgrades that will help it be reliable with the power that you are looking to make.

The Stage 3 Axis Power Racing Motor consists of a very strong block with forged pistons and forged connecting rods. It has 25% increase in displacement over your WRX shortblock and can withstand far more abuse. This is another step up when compared to our stage 2 motor. With the addition of Forged Pauter Rods, you can have the confidence and peace of mind in a strong reliable motor you are looking for.

Stage 3 Components:
- 2.5 L STi Semi-Closed Deck Shortblock
- Stock Sleeve Liners
- Stock USDM 2.5 L STi Crankshaft
- Pauter 4340 Chrome-Moly Forged Rods
- CP Forged Pistons
- 8500 Rev Limit Recommended