SUBARU Pistons & Piston Rings

Piston Rings, Premium Ductile Ring Sets, Chrome, 3.917 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, L4, Set of 4

Part Number: HSN-2C5219

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Pistons, Premium Forged, 3.918 in. Bore, Dome, 1.209 in. Comp. Height, Press/Float Pin, 1.2mm x 1.2mm x 2.0mm Ring Grooves, w/Rings, Subaru, H4, Kit

Part Number: UEM-IC537CK038MM

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Estimated Ship Date: May 11, 2026 if ordered today

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Silvolite Hyper-Coated Anodized Piston 2.5L Subaru (H4) 2006-2011

Part Number: UEM-9145HCA75MM

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Silvolite Hyper-Coated Anodized Piston 2.5L Subaru (H4) 2006-2011

Part Number: UEM-9145HCA5MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Platinum Series, Forged, Dish, Subaru, Each

Part Number: MAN-612000CB-1

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.937 in. Bore, Chrome, 1.2mm, 1.2mm, 2.0mm Ring Thickness, H4, L4, Set of 4

Part Number: HSN-2C5219020

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Piston, Forged, Dish, 4-Valve Reliefs, 3.927 in. Bore, 3.110 in. Stroke, 5.181 in. Rod, 1.162 in. Compression, Subaru, Left, Each

Part Number: JEP-314345L

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Pistons, SUB FA20/TY 4UGS KIT

Part Number: JEP-359153-4

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C4294

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Piston/Ring Kit, ICON Forged Coated Piston Kit-Subaru 2.5L N/A 1.290" CH

Part Number: UEM-IC537CKSTD

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Estimated Ship Date: May 11, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Chrome

Part Number: HSN-2C5219030

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42308CP

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.622 in. Bore, 92.00mm Bore Chrome, 1.2mm, 1.2mm, 2.5mm Ring Thickness, L4, Set of 4

Part Number: HSN-2C5134

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Pistons, Silv-O-Lite, Hypereutectic Aluminum, Coated, 99.75mm Bore, Subaru, H4, 2.5L, Set of 4

Part Number: UEM-9145HCA25MM

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, PIST-SUBARU WRX STi 22cc DISH

Part Number: MAN-612000C-1

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Estimated Ship Date: May 15, 2026 if ordered today

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Piston Rings, Carbon Steel Nitride Top, Iron Phosphate Second, Low Tension Oil, File Fit for 3.937 in. Bore, Standard, 1.2mm, 1.2mm, 2.5mm, H4, Set

Part Number: JEP-JG4904-3937

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Estimated Ship Date: Apr 20, 2026 if ordered today

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PIST-SUBARU 99.75mm/1.209 CD/DIS

Part Number: MAN-612002C-1

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42307CP

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Chrome

Part Number: HSN-2C4707040

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 3.642 in. Bore, 92.500mm, Chrome, 1.2mm, 1.2mm, 2.5mm Ring Thickness, L4, Set of 4

Part Number: HSN-2C5134020

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Chrome

Part Number: HSN-2C4957010

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Chrome, 3.927 in. Bore, 99.750mm Bore,1.2mm, 1.2mm, 2.5mm Thickness, H4, L4, V4, Set

Part Number: HSN-2C5140010

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Chrome

Part Number: HSN-2C5134S

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Pistons, PIST-SUBARU WRX STi 22cc DISH

Part Number: MAN-612001C-4

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Engine Piston Ring Set, 4-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C6872020

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