Add to Cart Compare Add to My Wish List IAG Performance 550 Long Block Engine w/ Stage 1 Heads for 04-07 STI - IAG-ENG-4005V $9,499.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 550 Long Block Engine w/ Stage 1 Heads for 08-21 STI - IAG-ENG-4005W $9,499.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 550 Long Block Engine w/ Stage 1 Heads for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4005D $9,499.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4015D $11,549.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 600 FA20F DIT Timed Long Block Engine for 2015-21 WRX - IAG-ENG-4110 $13,999.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4040D $17,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-21 STI - IAG-ENG-4040W $17,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams for 08-21 STI - IAG-ENG-4025WS2 $12,749.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4025DS3 $12,749.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams for 04-07 STI - IAG-ENG-4025VS2 $12,749.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 08-21 STI - IAG-ENG-4025WS3 $12,749.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI - IAG-ENG-4040V $17,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 04-07 STI - IAG-ENG-4025VS3 $12,749.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 600 Long Block Engine w/ Stage 2 Heads for 04-07 STI - IAG-ENG-4010V $10,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 600 Long Block Engine w/ Stage 2 Heads for 08-21 STI - IAG-ENG-4010W $10,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 04-07 STI - IAG-ENG-4015V $11,549.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-21 STI - IAG-ENG-4015W $11,549.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 600 Long Block Engine w/ Stage 2 Heads for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4010D $10,449.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List IAG Performance 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams for 06-14 WRX 04-13 FXT 05-09 LGT - IAG-ENG-4025DS2 $12,749.99 MSRP: IAG Performance