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Subaru EJ20 / EJ25 Performance Parts (WRX / STi)

Parts for Subaru's EJ20 and EJ25 boxer engines, found in the 02-14 WRX, 04-21 STi, Legacy GT and Forester XT.

Shop our 5-axis TGV delete kits, MLS exhaust and turbo gaskets, oil pan baffles, oil pickup tubes and clutches from BLOX Racing. Confirm your model year and engine code on each product page.

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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.75 Piston Shelf Stock Kit - BLOX Racing
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.75 Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock Kit - BLOX Racing
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100 Piston Shelf Stock Kit - BLOX Racing
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100 Piston Shelf Stock Kit
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Wiseco Subaru EJ25 SOHC 4v Dish -18cc 99.75 Piston Shelf Stock Kit
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Wiseco Subaru EJ25 SOHC 4v Dish -18cc 99.5 Piston Shelf Stock Kit
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Wiseco Subaru EJ25 SOHC 4v Dish -18cc 100mm Piston Set
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.75 Piston Shelf Stock Kit
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock Kit
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 100mm Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.55 Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit $784.99
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Wiseco Subaru EJ20 R/DOME 6576M93 Piston Shelf Stock Kit
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Wiseco Subaru EJ20 R/DOME 6576M93 Piston Shelf Stock Kit Sold Out
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Wiseco Subaru EJ20 R/DOME 6576M925 Piston Shelf Stock Kit
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Wiseco Subaru EJ20 R/DOME 6576M925 Piston Shelf Stock Kit Sold Out
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Wiseco Subaru EJ25 SOHC 4v Dish -18cc 99.5 Piston Shelf Stock
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Wiseco Subaru EJ25 SOHC 4v Dish -18cc 99.5 Piston Shelf Stock Sold Out
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.75 Piston (Single)
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock
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Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 100mm Piston Shelf Stock
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Wiseco Subaru EJ257 WRX/STI 4v 99.75mm Bore -19cc Dish Piston (Single)
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock
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Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock
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Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock *SINGLE PISTON ONLY*
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock *SINGLE PISTON ONLY* Sold Out
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock
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Wiseco Subaru WRX EJ20 STRKR 1.181CH9300XX Piston Shelf Stock
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Wiseco Subaru WRX EJ20 STRKR 1.181CH9250XX Piston Shelf Stock
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Wiseco Subaru WRX EJ20 R/DOME 9300TX Piston Shelf Stock
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Wiseco Subaru WRX EJ20 R/DOME 9300TX Piston Shelf Stock Sold Out
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Wiseco Subaru WRX EJ20 R/DOME 9250TX Piston Shelf Stock
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Wiseco Subaru WRX EJ20 R/DOME 9250TX Piston Shelf Stock Sold Out
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ACL Subaru EJ20/EJ22/EJ25 (For Thrust in 5 Position) 0.50mm Oversized High Performance Main Bearing - BLOX Racing
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing
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ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing $112.01 $172.32
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Cometic Street Pro 04-06 Subaru EJ257 Gasket Kit Without Head Gasket
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Cometic Street Pro 04-06 Subaru EJ257 Gasket Kit Without Head Gasket $179.21 $192.71
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Action Clutch 06 - 14 Subaru WRX 2.5L (EJ255) Turbo AWD Stage 2 Clutch Kit (1KS) - BLOX Racing
Action Clutch 06-14 Subaru WRX 2.5L (EJ255) Turbo AWD Stage 2 Clutch Kit (1SC)
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Action Clutch 06-14 Subaru WRX 2.5L (EJ255) Turbo AWD Stage 2 Clutch Kit (1SC) $610.09 $717.75
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Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Shelf Stock Kit - BLOX Racing
Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Shelf Stock Kit
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Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Shelf Stock Kit $752.99 $753.26
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ACL Subaru 4 EJ20/EJ22/EJ25 High Performance Oil Pump - BLOX Racing
ACL Subaru 4 EJ20/EJ22/EJ25 High Performance Oil Pump
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ACL Subaru 4 EJ20/EJ22/EJ25 High Performance Oil Pump $207.29 $392.50
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ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) .002mm OS High Performance w/ Extra Oil Cl - BLOX Racing
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) .002mm OS High Performance w/ Extra Oil Cl
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ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) .002mm OS High Performance w/ Extra Oil Cl $109.25 $168.08
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