Pistons

Pro LS 2618 Forged Pistons. 3.780 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273780-7

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 2cc dome, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943780-2F

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 2cc dome, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945780-2P

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Estimated Ship Date: Monday 1/5/2026

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.299 C.H., 2cc dome, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273780-2

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943780-7F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Flat, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3520HC-STD

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Estimated Ship Date: Monday 1/5/2026

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Pro LS 2618 Forged Piston, 3.780 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-1109273780-5

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Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Dish, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3519HC-STD

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston - GM 4.8/5.3L 10-14

Part Number: MAH-2243887

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Set of 8

Part Number: UEM-3472HC-STD

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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-299S273780-2

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Estimated Ship Date: Monday 1/5/2026

Piston, OE Replacement, Cast Aluminum, Dish, 3.780 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243536

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston, Hypereutectic, Dish, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S3519HC-STD

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Estimated Ship Date: Feb 6, 2026 if ordered today

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