CHEVROLET Chevy small block Gen III/IV (LS-based engines) Pistons & Piston Rings

Piston, Pro LS, 4.040 in. Bore, Forged Aluminum, Flat Top, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S454040-2

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Flat Top, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S434030-2

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Race Series LS FT 15° 4.010B/1.115CD

Part Number: DPP-21512-RS

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Single Piston

Part Number: MAH-S0064

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

Single Piston

Part Number: MAH-S2243760

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Single Piston

Part Number: MAH-S0118

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Comp Series LS FT 3.905B/4.000S/6.125R/1

Part Number: DPP-11505-R1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Pro LS 2618 Forged Piston. 3.820 bore, 1.326 C.H., 7cc dish, Std. Stroke, .945 pin Press or Float, Coated, 4.8L 5.3L Vortec Truck, Each

Part Number: SUM-326S45820-7P

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Forged Aluminum, Flat, 4.000 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Each

Part Number: SUM-17407C-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

SINGLE PISTON SUM-1109273903-5 EA.

Part Number: SUM-110S273S03-5

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S27403020

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.075 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S27407521

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.080 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S274080-6

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

5.3L 327 LS PISTON 2V EACH

Part Number: SUM-17400C-30-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Flat Top, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S434000-2

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.070 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43407012

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.075 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43407512

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 3.785 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43785-2F

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 3.785 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43785-7F

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

SINGLE PISTON SUM-326943810-2F EA.

Part Number: SUM-326S43810-2F

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 3.820 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43820-2F

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45780-2P

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.070 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S274070-2

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Piston, Pro LS, 4.040 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S27404020

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-C5532040

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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• Special Order