Pistons - 3.780 in. Bore (in.) - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS Forged Pistons SUM-326945780-7P

Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945780-7P

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Summit Racing™ Pro LS Forged Pistons SUM-326943780-2F

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 )

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Speed-Pro Hypereutectic Pistons H1132CPA

Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, 4.8L, 5.3L, Set of 8

Part Number: SLP-H1132CPA

4.71 out of 5 stars ( 7 )

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Summit Racing™ Coated Forged Pistons SUM-17401C

Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17401C

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-326945780-2P

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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Speed-Pro Hypereutectic Pistons H856CP

Pistons, Hypereutectic, Dish, 3.780 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H856CP

3.67 out of 5 stars ( 3 )

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Summit Racing™ Pro LS Forged Pistons SUM-2999273780-7

Summit Racing™ Pro LS Forged Pistons SUM-2999273780-7

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 )

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Speed-Pro Hypereutectic Pistons H855CP

Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H855CP

4.88 out of 5 stars ( 8 )

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Summit Racing™ Coated Forged Pistons SUM-17400C

Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17400C

5.0 out of 5 stars ( 5 )

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Summit Racing™ Pro LS Forged Pistons SUM-326943780-7F

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 )

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Silv-O-Lite Hypereutectic Pistons 3520HC.STD

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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Speed-Pro Hypereutectic Pistons H1508CPA

Pistons, Hypereutectic, Standard Bore, Chevy, GMC, 4.8L, 5.3L V8, Set of 8

Part Number: SLP-H1508CPA

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-2999273780-2

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 )

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Speed-Pro Hypereutectic Pistons H1127CPA

Pistons, Hypereutectic, Dish, 96mm Bore, Chevrolet, 5.3L, Set of 8

Part Number: SLP-H1127CPA

4.5 out of 5 stars ( 2 )

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Summit Racing™ Pro LS Forged Pistons SUM-1109273780-5

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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Summit Racing™ Coated Forged Pistons SUM-17402C

Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C

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Mahle PowerPak Piston and Ring Kits 930219980

Piston Kit, Dome, LS, 5.3L w/ LS1/2/6 style cathedral port heads, Set

Part Number: MLE-930219980

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Speed-Pro Hypereutectic Pistons H855CP50MM

Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H855CP-50MM

4.5 out of 5 stars ( 2 )

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Mahle Original OE Replacement Pistons 224-3729WR

Piston With Rings - GM 4.8L / 5.3L 05-09 fits LMG, LC9 LY5 & LMF

Part Number: MAH-2243729WR

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Estimated Ship Date: Dec 18, 2025 if ordered today

Sealed Power Cast Pistons 470AP30

Pistons, Cast, Dish, 3.780 in. Bore, AMC, Jeep, Set of 6

Part Number: SLP-470AP30

5.0 out of 5 stars ( 1 )

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D.S.S. SX-Series Forged Pistons 1810-3780

Pistons, SX-Series, Forged, 5.00cc Flat, 3.780 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1810-3780

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Silv-O-Lite Cast Pistons 2234.03

Pistons, Cast, Dish, 3.780 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, V8, Set of 8

Part Number: UEM-2234-030

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ICON FHR Series Pistons for GM LS IC9986C.STD

Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.780 in. Bore, 0.927 in. Wrist Pin, GM, LS, 4.8/5.3L, Set

Part Number: UEM-IC9986C-STD

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

ICON FHR Series Pistons for GM LS IC9985C.STD

Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.780 in. Bore, 0.945 in. Wrist Pin, GM, LS, 4.8/5.3L, Set

Part Number: UEM-IC9985C-STD

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Mahle Original OE Replacement Pistons 224-3536

Piston - GM 5.3L (325) V8 99-04(599171-STD) w/P

Part Number: MAH-2243536

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Estimated Ship Date: Dec 18, 2025 if ordered today