Availability
Pistons, Forged, Dome, 4-Valve Reliefs, 3.406 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Set of 4
Part Number: JEP-359154-4
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Pistons, Subaru EJ25 - Ultra Series
Part Number: JEP-361327-4
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Forged, Dish, 4-Valve Reliefs, 3.386 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Left, Each
Part Number: JEP-315120L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.386 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Right, Each
Part Number: JEP-315120R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.210 in. Compression, Subaru, Left, Each
Part Number: JEP-310936L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.210 in. Compression, Subaru, Right, Each
Part Number: JEP-310936R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.927 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Left, Each
Part Number: JEP-310937L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.927 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, Each
Part Number: JEP-310937R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.937 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, Each
Part Number: JEP-310938R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.386 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Left, Each
Part Number: JEP-315114L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.386 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Left, Each
Part Number: JEP-315117L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.927 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Left, Each
Part Number: JEP-296349L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.927 in. Bore, 3.110 in. Stroke, 5.138 in. Rod, 1.209 in. Compression, Subaru, Right, Each
Part Number: JEP-296349R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.917 in. Bore, 3.110 in. Stroke, 5.181 in. Rod, 1.162 in. Compression, Subaru, Right, Each
Part Number: JEP-314344R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.819 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Left, Each
Part Number: JEP-314350L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.819 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Right, Each
Part Number: JEP-314350R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.622 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Left, Each
Part Number: JEP-314437L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.622 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Right, Each
Part Number: JEP-314437R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.641 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Right, Each
Part Number: JEP-314438R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.661 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Left, Each
Part Number: JEP-314439L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, Single - SUB FA20/TY 4UGS KIT
Part Number: JEP-359150L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, Single - SUB FA20/TY 4UGS KIT
Part Number: JEP-359150R
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, Forged, Dish, 4-Valve Reliefs, 3.396 in. Bore, 3.386 in. Stroke, 5.091 in. Rod, 1.290 in. Compression, Subaru, Set of 4
Part Number: JEP-359151-4
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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