Summit Racing Performance, Restoration & Replacement Parts & Tools

Pro LS 2618 Forged Pistons. 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, Set of 8

Part Number: SUM-2999273820-7

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Estimated Ship Date: Monday 11/24/2025

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Pro LS 2618 Forged Pistons. 3.820 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-326945820-2P

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Estimated Ship Date: Monday 11/24/2025

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

Part Number: SUM-326945404012

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Estimated Ship Date: Monday 11/24/2025

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Pro LS 2618 Forged Piston, 3.898 bore, 1.110 C.H., 16cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-110927389816

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Estimated Ship Date: Monday 11/24/2025

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Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-326943400512

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Estimated Ship Date: Monday 11/24/2025

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Trailer Organizer, Nitrous Bottle Rack, Aluminum, Natural, Holds 4 Nitrous Bottles, Each

Part Number: SUM-939324

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Estimated Ship Date: Monday 11/24/2025

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Switch, Push Button, Momentary, Launch/Nitrous/Trans-Brake, Plastic, Black, 10 Amps, Each

Part Number: SUM-760004

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

Pro LS 2618 Forged Piston, 4.075 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-326943407512

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-326943403012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Pro LS 2618 Forged Piston, 3.785 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-1109273785-5

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pro LS 2618 Forged Pistons. 3.785 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-326945785-2P

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Pro LS 2618 Forged Piston, 4.005 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-110927400520

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pro LS 2618 Forged Pistons. 3.785 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-326945785-7P

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Estimated Ship Date: Jan 12, 2026 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, Set of 8

Part Number: SUM-110927378512

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Estimated Ship Date: Jan 14, 2026 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,Set of 8

Part Number: SUM-299927404012

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Pro LS 2618 Forged Pistons. 3.820 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-326945820-7P

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Pro LS 2618 Forged Piston, 4.040 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-110927404020

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Estimated Ship Date: Dec 12, 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, Set of 8

Part Number: SUM-110927408021

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Estimated Ship Date: Dec 15, 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,Set of 8

Part Number: SUM-326943404012

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Pro LS 2618 Forged Pistons. 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, Set of 8

Part Number: SUM-326943820-7F

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Estimated Ship Date: Dec 12, 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, Set of 8

Part Number: SUM-110927378012

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Trailer Organizer, Nitrous Bottle Rack, Aluminum, Natural, Holds 2 Nitrous Bottles, Each

Part Number: SUM-939325

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

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Estimated Ship Date: Monday 11/24/2025

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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