Pistons

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

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Subaru EJ25 - Ultra Series

Part Number: JEP-361327-4

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston, Forged, Dish, 4-Valve Reliefs, 3.918 in. Bore, 3.267 in. Stroke, 5.138 in. Rod, 1.130 in. Compression, Subaru, Right, Each

Part Number: JEP-291063R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Rings, Arias, 3.918 in. Bore, Dish, Forged, Subaru, 2.5L, Kit

Part Number: CNN-A3620325

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Rings, Arias, 3.918 in. Bore, Dish, Forged, Subaru, 2.5L, Kit

Part Number: CNN-A3620301

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Single - Subaru EJ25 - Ultra Series

Part Number: JEP-361327R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Single - Subaru EJ25 - Ultra Series

Part Number: JEP-361327L

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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-IC537CK25MM

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, Single Valve Relief, 3.918 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.210 in. Compression, Subaru, Left, Each

Part Number: JEP-310927L

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Single - Subaru EJ25 - Ultra Series

Part Number: JEP-361330R

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

• Free Shipping
• Special Order

Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, Each

Part Number: JEP-291061R

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Free Shipping
• Special Order

Pistons, Premium, Forged 4032 Aluminum, 3.918 in. Bore, 3.110 in. Stroke, Dish, Subaru, Each

Part Number: UEM-SIC992C-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Free Shipping
• Special Order

Pistons, Single - Subaru EJ25 - Ultra Series

Part Number: JEP-361330L

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

• Free Shipping
• Special Order

Piston and Ring Kits, Premium, Forged 4032 Aluminum, 3.918 in. Bore, 2.756 in. Stroke, Dish, Subaru, Set of 4

Part Number: UEM-IC992CKSTD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Free Shipping
• Special Order