It's no secret that the OEM connecting rods are the weak link when it comes to the FA20F engines
20-0756-FL DUAL CATCH CAN KIT
-Designed to fit the Odyssey PC925
etc) please see the Radium Engineering AOS kit for the 15-21 WRX
Heads - Brand New Subaru OEM WRX AW Cylinder Head Castings
IAG 950 Closed Deck Long Block Engine w/ IAG 950 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT Long Block: Required:2018-19 STI RA 2019+ STI - PN# IAG-ENG-L950N It's no secret that theLEAD TIME 4 6WEEKS IAG 950 LONG BLOCK ENGINE WITH IAG 950 HEADS FOR 02 14 WRX, 04 21 STI, 04 13 FXT, 05 09 LGT A "DROP IN" SOLUTION The IAG Performance Hand Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop in" engine package for their WRX, STI, Forester XT or Legacy GT. The Long Blocks feature a