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Results 1 - 25 of 47

Pro LS 2618 Forged Piston, 4.040 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-1109274040-8

4.5 out of 5 stars ( 2 )

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Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC984KTD-040

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Pistons, Forged, 4.040 in. Bore, 4.000 in. Stroke, Flat Top, 6.200 in. Rod Length, 0.927 in. Pin Diameter, SBF, 351W 20 degree, Ford, Set of 8

Part Number: PIS-1000464

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Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Piston and Ring Kit, Forged, 4.040 in. Bore, Ford, Kit

Part Number: MLE-930244340

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kit, Forged, 4.040 in. Bore, Ford, Kit

Part Number: MLE-930248240

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Pistons, Forged, Dish, 4.040 in. Bore, Ford, Set of 8

Part Number: TFS-51404331-40

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Piston and Ring Kit, Forged, Flat, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC744KTD-040

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Piston, Forged Dish, 4.040 in. Bore, Dodge, Small Block Magnum, Set of 8

Part Number: UEM-IC984-040

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB319-040

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Piston and Ring Kit, Forged, 4.040 in. Bore, Chrysler, Dodge, Plymouth, Kit

Part Number: MLE-930271040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC982KTD-040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC983KTD-040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Piston and Ring Kit, Forged, Step Dish, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC745KTD-040

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Pistons, Forged, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Cleveland, Set of 8

Part Number: UEM-IC876-040

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pistons, Premium Forged, 4.040 in. Bore, Dish, 1.445 in. Compression Height, Press/Float Pin, 1/16 x 1/16 x 3/16 Ring Grooves, Dodge, Jeep, Set of 8

Part Number: UEM-IC983-040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pistons, Forged, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-IC745-040

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

SB Chevy FT 4.040B/1.000CD

Part Number: DPP-11158

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered 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

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1930-4040

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Piston and Ring Kit, Forged, 4.040 in. Bore, Chrysler, Dodge, Plymouth, Kit

Part Number: MLE-930271140

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Pistons, Forged, Flat, 4.040 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Ford, Small Block, Set of 8

Part Number: UEM-IC721-040

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Pistons, Hypereutectic, Step, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-040

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Left Side, Dodge, Small Block, Magnum, Each

Part Number: UEM-SIC984L-040

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Pistons, Hypereutectic, Step, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB385-040

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today