Availability
SUBARU Engines & Components
Valve Springs, Single, 1.126 in. Outside Diameter, 330 lbs./in. Rate, 0.860 in. Coil Bind Height, Set of 16
Part Number: MAN-22185-16
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 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: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Forged, Dish, 4-Valve Reliefs, 3.642 in. Bore, 1.287 in, Compression, Subaru, 4-Cylinder, Set of 4
Part Number: JEP-226378
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
VALVE-E/D SUBARU WRX 32mm
Part Number: MAN-11137-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
VALVE-E/D SUBARU WRX 32mm
Part Number: MAN-11137-8
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
VALVE-Subaru WRX R/F 37mm
Part Number: MAN-11140-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
VALVE-Subaru WRX R/F 37mm
Part Number: MAN-11140-8
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Pistons, Single - Subaru EJ20 9.5:1 - Ultra Series
Part Number: JEP-361323R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Subaru EJ20 Stroker 8.5:1 - Ultra Series
Part Number: JEP-361325-4
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ20 Stroker 8.5:1 - Ultra Series
Part Number: JEP-361325R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ20 Stroker 8.5:1 - Ultra Series
Part Number: JEP-361326L
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ20 Stroker 8.5:1 - Ultra Series
Part Number: JEP-361326R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361327L
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361327R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361329R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361330L
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361330R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Subaru EJ25 - Ultra Series
Part Number: JEP-361331-4
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Single - Subaru EJ25 - Ultra Series
Part Number: JEP-361331R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Pistons, Subaru EJ25 - Ultra Series
Part Number: JEP-361332-4
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
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