2012 Pistons & Piston Rings

Piston, Pro LS, 4.080 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43408012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 3.785 in. Bore, Forged Aluminum, Dome, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45785-2P

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 3.810 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S273810-5

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S274000-8

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S27400020

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 3.810 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43810-7F

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Single Piston

Part Number: MAH-S0089

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Pro LS 2618 Forged Piston, 3.785 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S27378512

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 3.810 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S27381012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 3.820 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S273820-5

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.080 bore, 1.110 C.H., 21cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Each

Part Number: SUM-110S27408021

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 2618 Forged, 4.125 in. Bore, 6.125 in. Rod, 4.00 in. Stroke, -4cc Dome, 1.110 in. Compression Height, Chevrolet, LS, 7.0L, Each

Part Number: SUM-110S274125-4

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Pro LS, 2618 Forged, 4.125 in. Bore, 6.125 in. Rod, 4.00 in. Stroke, 23cc Dish, 1.110 in. Compression Height, Chevrolet, LS, 7.0L, Each

Part Number: SUM-110S27412523

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston. 3.820 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-299S273820-7

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.040 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Each

Part Number: SUM-299S27404012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.075 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Each

Part Number: SUM-299S27407512

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Each

Part Number: SUM-326S43404012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston. 3.820 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-326S43820-7F

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston. 3.785 bore, 1.326 CH, 7cc dish, Std Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Trk, Each

Part Number: SUM-326S45785-7P

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Estimated Ship Date: Nov 18, 2025 if ordered today

• Special Order

Piston, Pro LS, 3.785 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273785-7

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Estimated Ship Date: Nov 18, 2025 if ordered today

• Special Order

Piston, Pro LS, 3.810 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273810-7

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rec. 6.0L LQ4 LQ9, Each

Part Number: SUM-326S454005-2

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.040 bore, 1.326 CH, 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9, Each

Part Number: SUM-326S45404012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Pro LS 2618 Forged Piston, 3.780 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S27378012

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Estimated Ship Date: Nov 18, 2025 if ordered today

• Special Order

Pro LS 2618 Forged Piston, 3.820 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S27382012

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Estimated Ship Date: Nov 18, 2025 if ordered today

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