Availability
Pistons
Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6
Part Number: UEM-3118H-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-110S274040-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
k2-2468-4040-396-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-040-bore
Part Number: DMS-K2-2468-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1823-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Set, 331 Stroker SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K1-3268-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1930-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, PIST-1.280 CD/FT 4.040
Part Number: MAN-591740-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Forged, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC734-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Pro pistons for SB Chevy 350, 4.040 bore, 1.560 C.H., 3.48 in. stroke, 5.7 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72cc.
Part Number: SUM-SBC350040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274040-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Set, 351W / 5.8 SBF 351W 1-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-1-3558-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Set, 418W / 5.8 Stroker SBF 351W K2-FX Series -4cc Flat Top inline Piston Set. 4.040 bore
Part Number: DMS-K2-3300-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.040 in. Bore, Ford, Kit
Part Number: MLE-930250340
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pistons, PowerPak Plus, Twisted Wedge, Forged 2618 Aluminum, 4.040 in. Bore, Flat Top, Rings Included, Ford, Small Block, Set of 8
Part Number: MLE-930250540
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit
Part Number: MLE-930208340
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Piston and Ring Kit, Forged, 4.040 in. Bore, Chrysler, Dodge, Plymouth, Kit
Part Number: MLE-930271140
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Engine Piston Set 86-95 FRD/LIN/MER 5.0L
Part Number: EGN-P30088040
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Engine Piston Set 67-95 BUI/CAD/CHV/GMC/OLD/PON 5.7L
Part Number: EGN-P15248040
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Engine Piston Set 69-76 FRD/MER 5.8L
Part Number: EGN-P15268040
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Engine Piston Kit 86-95 FRD/LIN/MER 5.0L
Part Number: EGN-K30088P040
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Engine Piston Kit 65-96 FRD 4.9L
Part Number: EGN-K15976P040
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Engine Piston Set 65-96 FRD 4.9L
Part Number: EGN-P15976040
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Engine Piston Set 80-93 AMC/BUI/CHV/GMC/JEP/PON 2.5L
Part Number: EGN-P30024040
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Engine Piston Kit 85-95 CHV/GM/GMC/OLD/PON 4.3L
Part Number: EGN-K15056P040
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Pistons, Forged, 4.040 in. Bore, 3.750 in. Stroke, Flat Top, 5.700 in. Rod Length, 0.927 in. Pin Diameter, SBC 23 degree 4.000, Chevy, Set of 8
Part Number: PIS-1000122
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster