Availability
2012 Pistons
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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
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
BUILD IT WITH SUMMIT!
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
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, 4.8L, 5.3L, Set of 8
Part Number: SLP-H1132CPA
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Hypereutectic, Standard Bore, Chevy, GMC, 4.8L, 5.3L V8, Set of 8
Part Number: SLP-H1508CPA
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Hypereutectic, Dish, 3.780 in. Bore, Chevy, GMC, Set of 8
Part Number: SLP-H856CP
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Hypereutectic, Flat, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8
Part Number: UEM-3520HC-STD
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Premium, Forged 4032 Aluminum, 3.780 in. Bore, 3.622 in. Stroke, Flat Top, Chevy, LS, Set of 8
Part Number: UEM-IC545C-STD
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, SX-Series, Forged, 5.00cc Flat, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1810-3780
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Pistons, Premium, Forged 4032 Aluminum, 3.780 in. Bore, 3.622 in. Stroke, Dome, Chevy, LS, Set of 8
Part Number: UEM-IC547C-STD
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 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-326S43780-7F
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Piston - GM 4.8/5.3L 10-14
Part Number: MAH-2243887
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Piston and Ring Kits, Premium, Forged Aluminum, 3.780 in. Bore, 3.622 in. Stroke, Flat Top, Chevy, LS, Set of 8
Part Number: UEM-IC545CKTSSTD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, GMC, Set of 8
Part Number: SLP-H855CP-50MM
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Red Series, Forged Aluminum, 3.780 Bore, -4.20cc Flat, 3.622 in. Stroke, 6.098 Rod, Chevy, LS, Set of 8
Part Number: WIS-RED0051X378
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1810-3780
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Piston With Rings, Hypereutectic, Flat Top, 4.8L, 5.3L, Set of 8
Part Number: MAH-2243887WR
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 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-299S273780-2
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 15.00cc Dish, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K3-2903-3780
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Piston Kit, Dome, LS, 5.3L w/ LS1/2/6 style cathedral port heads, Set
Part Number: MLE-930219980
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2811-3780
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
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