Subaru WRX Engine Internals

77 products

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.

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GSC P-D Subaru EJ Turbo DOHC Valve Spring & Ti Retainer Kit

Regular price $282.46
Sale price $282.46 Regular price $332.31
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GSC P-D Subaru EJ Turbo DOHC Valve Spring & Ti Retainer KitThis Part Fits: Year...
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GSC P-D Subaru EJ257 Beehive Valve Spring & Ti Retainer Kit (Use w/OE Spring Seats)

Regular price $399.92
Sale price $399.92 Regular price $470.49
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The GSC Power-Division Beehive Valve Spring Kit with Ti Retainer for the DOHC Subaru Turbo...

GSC P-D EJ Series EJ205/EJ207/EJ264 Manganese Bronze Intake Valve Guide Traditional - Set 8

Regular price $49.65
Sale price $49.65 Regular price
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GSC P-D EJ Series EJ205/EJ207/EJ264 Manganese Bronze Intake Valve Guide Traditional - Set 8This Part...

GSC P-D EJ Series EJ205/EJ207/EJ262 Manganese Bronze Exhaust Valve Guide Traditional - Set 8

Regular price $49.65
Sale price $49.65 Regular price
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GSC P-D EJ Series EJ205/EJ207/EJ262 Manganese Bronze Exhaust Valve Guide Traditional - Set 8This Part...
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GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8

Regular price $49.65
Sale price $49.65 Regular price
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GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8This...
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GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8

Regular price $49.65
Sale price $49.65 Regular price
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GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8This...

GSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-32mm Head(STD)

Regular price $37.86
Sale price $37.86 Regular price
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GSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-32mm Head(STD)This Part Fits: Year...

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single

Regular price $21.52
Sale price $21.52 Regular price
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GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - SingleThis Part...

GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 33mm Head (+1mm) - Single

Regular price $21.57
Sale price $21.57 Regular price
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GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 33mm Head (+1mm) - SingleThis...

GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Single

Regular price $21.38
Sale price $21.38 Regular price
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GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - SingleThis...

GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - Single

Regular price $21.43
Sale price $21.43 Regular price
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GSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - SingleThis...
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GSC P-D Subaru EJ257/EJ207/EJ205 Viton 6mm Valve Stem Seal Set

Regular price $17.52
Sale price $17.52 Regular price
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GSC P-D Subaru EJ257/EJ207/EJ205 Viton 6mm Valve Stem Seal SetThis Part Fits: Year Make Model...
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GSC P-D Valve Seat Set OEM Replacement EJ205/EJ207/EJ257

Regular price $22.44
Sale price $22.44 Regular price
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GSC OEM Replacement Valve Spring Seats are perfect for replacing old seats when upgrading to...

Gates 02-14 Subaru WRX Thermostat

Regular price $46.99
Sale price $46.99 Regular price
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Gates 02-14 Subaru WRX ThermostatThis Part Fits: Year Make Model Submodel 2006 Saab 9-2X 2.5i...
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Cometic Street Pro 08-10 Subaru STi EJ257 DOHC 101mm Bore Complete Gasket Kit *OEM # 10105AB200*

Regular price $376.74
Sale price $376.74 Regular price $405.09
Unit price
COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit...
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Cometic Subaru 15-19 WRX FA20DIT 89.5mm Bore .032in MLX Head Gasket - Right

Regular price $76.63
Sale price $76.63 Regular price
Unit price
Cometic is dedicated to customer satisfaction and provides quality products, delivered on time at a...
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Cometic Subaru 15-19 WRX FA20DIT 89.5mm Bore .032in MLX Head Gasket - Left

Regular price $76.63
Sale price $76.63 Regular price
Unit price
Cometic is dedicated to customer satisfaction and provides quality products, delivered on time at a...
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Cometic Subaru FA20/FB25 89.5mm .032inch RHS MLX Head Gasket

Regular price $76.63
Sale price $76.63 Regular price
Unit price
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton...
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Cometic 03-11 Subaru EJ255 / 04-10 EJ257 Turbo 101mm Bore MLX Head Gasket

Regular price $76.63
Sale price $76.63 Regular price
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Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton...
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Cometic Subaru FA24F 95.80mm Bore .032in MLX Head Gasket - LHS

Regular price $76.62
Sale price $76.62 Regular price
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MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealingThis Part Fits: Year Make...
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Cometic Subaru FA24F 95.80mm Bore .032in MLX Head Gasket - RHS

Regular price $76.62
Sale price $76.62 Regular price
Unit price
MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealingThis Part Fits: Year Make...

Brian Crower Subaru EJ205/EJ257 Single Groove Valve Stem Keepers/Locks (fits BC2160)

Regular price $109.00
Sale price $109.00 Regular price
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Brian Crower Subaru EJ205/EJ257 Single Groove Valve Stem Keepers/Locks (fits BC2160)This Part Fits: Year Make...

Brian Crower Subaru EJ205-WRX/EJ257-STi Titanium Retainers - Set of 16

Regular price $204.00
Sale price $204.00 Regular price
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Brian Crower Subaru EJ205-WRX/EJ257-STi Titanium Retainers - Set of 16This Part Fits: Year Make Model...
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Brian Crower 08+ STi Camshafts - Stage 3 - Set of 4

Regular price $965.00
Sale price $965.00 Regular price
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Brian Crower 08+ STi Camshafts - Stage 3 - Set of 4This Part Fits: Year...
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