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2.5L 16v - EJ257
Manufacturers
2.5L 16v - EJ257
Set of 8 trimetal connecting rod half-bearings for Subaru EJ20, EJ22, EJ25.Brand and treatment: ACL Race Compatibility: Impreza, Legacy, Forester, Outback, WRX Engine codes: EJ20, EJ22, EJ25 Available sizes: standard to +0.50 mm, increased-clearance version (HX)
ARP head stud kit with M11x1.25mm thread for the Subaru EJ series engines.Subaru Impreza GT Turbo, 1992 to 2011Subaru Impreza WRX, 1992 to 2011Subaru Impreza STI, 1992 to 2011Engines: EJ20, EJ22, EJ25
ATHENA reinforced head gasket, reference 330040R, 100mm bore, 1.2mm thickness, for SUBARU 2.5 EJ25, EJ255 and EJ257 engines
52mm Crankshaft Trimetal Bearings KING RACE with Shoulder for Subaru
Complete 64-piece Ferrea Racing kit for reinforced valvetrain: dual valve springs, titanium retainers, seat locators and valve locks. Designed for EJ20/EJ25 engines in Drift, Rally and Track Subaru WRX/STI builds. Direct bolt-on installation.
Set of 4 forged 4340 steel rods for Subaru Boxer EJ (130.5 mm centre, 23 mm pin).Brands: Boostline, Manley, ZRP Compatibility: Impreza GC8/GD/GR-GV/VA, Forester, Legacy Engine codes: EJ20, EJ205, EJ207, EJ22, EJ25, EJ257 Bolts included: ARP 2000, L19 or CA625+
Set of 4 forged 4340-steel connecting rods with a long 132.5 mm center distance for Subaru EJ205 / EJ257 turbo.Brands: Manley Compatibility: Impreza WRX / WRX STi, Forester XT Engine codes: EJ205, EJ257 Bolts included: ARP 2000 or CA625+
Subaru EJ255 2.5L forged pistons: Ø99.5–100.5 mm, 23 mm pin, ≈30.7 mm stroke. Compatible with WRX, Forester XT, Legacy GT, and Outback XT. Sorted table + OEM part numbers.
Forged pistons for Subaru EJ255/EJ257 2.6L (83mm crankshaft). Bore chart 99.5–100.0, compression ratio 8.5:1/9.8:1, 23mm wrist pin, 4032/2618 alloys, JE FSR & Manley. OEM compatibility information.
KING RACE tri-metal flanged main bearings (main bearing position 5), OEM size, for the SUBARU 2.0 16V (incl. turbo) EJ20 EJ22 EJ25 WRX/STI
Kit of ARP2000 rod bolts replacing the original bolts on the OEM rods of the Subaru EJ25, EJ255 and EJ257 turbo four-cylinders.Brand: ARP Engine: EJ25 / EJ255 / EJ257 Grade: ARP2000
COMETIC reinforced head gasket, 101mm bore, for:SUBARU IMPREZA Estate 2.5 WRX AWD (GGG) EJ255 230hp SUBARU IMPREZA Saloon 2.5 i WRX AWD (GDG) EJ255 230hp SUBARU IMPREZA 3 5-door 2.5 AWD (GHE) EJ255 230hp SUBARU IMPREZA Saloon 2.5 WRX STi AWD (GDF) EJ257 280hp SUBARU IMPREZA 3 5-door 2.5 WRX STI AWD (GRF) EJ257 301hp
Reinforced Athena head gasket, in O-Ring or multi-layer MLS. Sold individually, two gaskets for the flat engine.Engine: Subaru 2.5 L EJ25, EJ255 and EJ257Bore: 101.3 mmThickness: 1 or 1.2 mmReplaces: 11044-AA521, 11044-AA670
Reinforced Cometic head gasket, in multi-layer MLS or in MLX. Sold individually, one gasket per engine.Engine: Subaru 2.5 L turbo EJ255 and EJ257Bore: 101 mm (MLS), 101 or 101.3 mm (MLX)Thickness: 0.69 to 1.68 mm in MLS, 0.81 to 1.32 mm in MLXReplaces: 11044-AA670, 11044-AA770, 11044-AA910
Set of 8 trimetal connecting rod half-bearings for Subaru EJ20, EJ22, EJ25 (Ø 52 mm).Brand and treatment: ACL Race, King Racing Compatibility: Impreza, Legacy, Forester, Outback, WRX Engine codes: EJ20, EJ22, EJ25 Available sizes: standard to +0.50 mm, increased-clearance version (HX / STDX)
Uprated engine mount VIBRA-TECHNICS Competition for SUBARU Impreza (GC) all WRX and STi 08/1992-09/2001 - Sold individually
Uprated engine mount VIBRA-TECHNICS Competition for SUBARU Impreza (GD) all WRX and STi 09/1999- - Sold individually
Uprated gearbox mount VIBRA-TECHNICS Competition for SUBARU Impreza (GC) all WRX and STi 08/1992-09/2001 - Sold individually
Uprated gearbox mount VIBRA-TECHNICS Competition for SUBARU Impreza (GD) all WRX and STi 09/1999- - Sold individually
The SUBARU 2.5L 16v EJ257 boxer can be built from end to end on this page. Two forged piston kits open the range: the 2.5L in 99.5mm to 100mm bore, badged WISECO, JE PISTONS, MANLEY or SUPERTECH depending on the variant, with compression ratios from 8.2:1 to 9.8:1, plus a big-capacity 2.6L set made for an 83mm crankshaft.
Then come MANLEY forged rods on 132.5mm centres and the ZRP, BOOSTLINE or MANLEY kit, ATHENA 100mm and COMETIC 101mm head gaskets, ARP M11x1.25 head studs, KING RACE and ACL Race Series tri-metal bearings, FERREA valve springs and collets, and VIBRA-TECHNICS engine and gearbox mounts.
