Availability
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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pistons, Hypereutectic, Dish, 3.780 in. Bore, Chevy, GMC, Set of 8
Part Number: SLP-H856CP
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
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 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 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: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Pistons, Hypereutectic, Dish, 96mm Bore, Chevrolet, 5.3L, Set of 8
Part Number: SLP-H1127CPA
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 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: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston With Rings - GM 4.8L / 5.3L 05-09 fits LMG, LC9 LY5 & LMF
Part Number: MAH-2243729WR
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Piston and Ring Kit, Forged, Flat Top, 3.780 in. Bore, Chevy, LS, Kit
Part Number: MLE-930217880
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston & Ring Set, 1 Set IC9985C.030/1 Set 3780CS8.030
Part Number: UEM-S00167
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dish, 3.780 in. Bore, Rings, Chevrolet, 5.3L LS, Each
Part Number: WIS-60042LXS
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 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-326S45780-7P
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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-326S45780-2P
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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