Looking to upgrade or modify your Subaru Impreza with aftermarket parts from Manley Performance? At Tunersports.com we carry a great selection of their parts for your vehicle.
From engine components, connecting rods - 4cyl, engine components or valves we have 73 parts available for your Impreza, all with free shipping to the Continental US 48 States.
For more information on Manley Performance, you can visit the official Manley Performance website.

OUT OF STOCK Manley Performance Single Pistons 620000C-1Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92mm STD Bore 8.5:1 Dish Piston - Single $188.18
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OUT OF STOCK Manley Performance Single Pistons 621002C-1Manley Subaru WRX STI 2.5L EJ257 99.75 Mm Bore 1.285 In. CH 18.00 CC Dish Piston (Single) $214.76
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OUT OF STOCK Manley Performance Piston Sets -4 Cyl 622100C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings $741.18
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OUT OF STOCK Manley Performance Single Pistons 612102C-1Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston - Single $188.18
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OUT OF STOCK Manley Performance Piston Sets -4 Cyl 615005C-4Manley 98+ Subaru WRX (EJ205) 75mm STD Stroke 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings $741.18
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IN STOCK - LOW Manley Performance Piston Sets -4 Cyl 612005C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 100mm +.5mm Bore 8.5:1 Dish Piston Set with Rings $741.18
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IN STOCK Manley Performance Conrods SC H-Bm -4 Cyl 14024-4Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Connecting Rod Set $554.27
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IN STOCK Manley Performance Race Master Valves 11155-8Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves $211.41
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IN STOCK Manley Performance Race Flo Valves 11138-8Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 36mm Stainless Race Flo Valves $211.41
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IN STOCK Manley Performance Conrods TTuff I-Bm -4 Cyl 14416-4Manley Subaru WRX / STI (EJ205/STi EJ257) Turbo Tuff Pro Series I Beam Connecting Rod Set $1,028.90
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IN STOCK Manley Performance Conrods SC H-Bm -Single 14024-1Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Single Connecting Rod $143.43
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IN STOCK Manley Performance Conrods TTuff I-Bm -4 Cyl 14416-4Manley Subaru WRX / STI (EJ205/STi EJ257) Turbo Tuff Pro Series I Beam Connecting Rod Set $1,028.90
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IN STOCK Manley Performance Piston Sets -4 Cyl 612002C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 Dish Piston Set with Rings $741.18
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IN STOCK Manley Performance Piston Sets -4 Cyl 615000C-4Manley 98+ Subaru WRX (EJ205) STD Stroke 92mm STD Bore 8.5:1 Dish Piston Set with Rings $741.18
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IN STOCK Manley Performance Titanium Retainers 22180-16Manley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers) $141.97
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IN STOCK Manley Performance Conrods TTuff I-Bm -4 Cyl 14416R6-4Manley 02-11 Subaru WRX/STi (EJ205/EJ257) Turbo Tuff I Beam Connecting Rod Set w/ARP 625+ (Set of 4) $1,319.86
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IN STOCK Manley Performance Piston Rings 46995-4Manley Sport Compact 99.5mm Bore 1.2mm x 1.2mm x 2.0mm Standard Ring Set $187.43
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IN STOCK Manley Performance Race Master Valves 11155-8Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves $211.41
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IN STOCK Manley Performance Conrods TTuff I-Bm -Sngl 14416-1Manley Subaru WRX / STI (EJ20/EJ25) Turbo Tuff Pro Series I Beam Connecting Rod - SINGLE ROD $258.07
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IN STOCK Manley Performance Conrods SC H-Bm -4 Cyl 14024-4Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Connecting Rod Set $554.27
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