2015-2021 Subaru STI Engine Parts & Upgrades
Shop 2015-2021 subaru sti engine parts and performance upgrades at JDMuscle. We carry the top brands with guaranteed fitment for your 2015-2021 Subaru STI.
2015-2021 Subaru STI Engine
-
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115VL2
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115VL3
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115NL2
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115NL3
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115WL2
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/05-09 LGT/04-13 FXT 1150 CNC Ported Drag Cylinder Heads Package | IAG-ENG-H115WL3
Only 1 leftRegular price $7,999.99Sale price $7,999.99 Regular priceUnit price per$7,999.99 -
In StockIAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 550 Long Block Engine w/ IAG 550 Heads | IAG-ENG-L550N
Only 1 leftRegular price $9,999.99Sale price $9,999.99 Regular priceUnit price per$9,999.99 -
In StockIAG 550 Long Block Engine w/ IAG 550 Heads
Fits: 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT
Only 1 leftRegular price $10,499.99Sale price $10,499.99 Regular priceUnit price per$9,999.99 -
Up to $500 off
In StockIAG 550 Long Block Engine w/ IAG 550 Heads
Fits: 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT
Only 1 leftRegular price $10,499.99Sale price $10,499.99 Regular priceUnit price per$10,999.99 -
In StockIAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 550 Long Block Engine w/ IAG 550 Heads | IAG-ENG-L550D
Only 1 leftRegular price $9,999.99Sale price $9,999.99 Regular priceUnit price per$9,999.99 -
In StockIAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 550 Long Block Engine w/ IAG 550 Heads | IAG-ENG-L550SC
Only 1 leftRegular price $10,299.99Sale price $10,299.99 Regular priceUnit price per$10,299.99 -
In StockIAG 750 EJ25 Closed Deck Case - 11mm H.S.M.
Fits: WRX, STI, FXT & LGT
Only 1 leftRegular price $2,749.99Sale price $2,749.99 Regular priceUnit price per$2,749.99 -
In StockIAG 750 EJ25 Closed Deck Case - 11mm H.S.M.
Fits: WRX, STI, FXT & LGT
Only 1 leftRegular price $2,999.99Sale price $2,999.99 Regular priceUnit price per$2,999.99 -
In StockIAG 950 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock
Fits: WRX, STI, LGT, FXT
Only 1 leftRegular price $3,099.99Sale price $3,099.99 Regular priceUnit price per$3,099.99 -
In StockIAG WRX, STI, LGT, FXT 950 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock | IAG-ENG-C950BH
Only 1 leftRegular price $3,499.99Sale price $3,499.99 Regular priceUnit price per$3,499.99 -
In StockIAG 1150 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock, Pinned + Line Honed, ARP Case Bolts
Fits: WRX, STI, LGT, FXT
Only 1 leftRegular price $4,449.99Sale price $4,449.99 Regular priceUnit price per$4,449.99
