CHEVROLET Summit Racing Pistons & Piston Rings

Forged Pro pistons for BB Chevy 540, 4.500 bore, 1.120 C.H., 4.25 in. stroke, 6.535 in. rod, 40cc Dome open chamber only, 13.7:1@114cc, 13:1@119cc.

Part Number: SUM-BBC540STD40

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Forged Pro pistons BB Chevy 502, 4.500 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 12cc open/closed chamber Dome 10.5@110cc, 10.2@114cc, 9.8@119cc.

Part Number: SUM-BBC502STD

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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-110S274030-8

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Forged Pro pistons for SB Chevy 302, 4.040 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302040

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Pro LS 2618 Forged Pistons. 3.820 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-326943820-2F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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 2/23/2026 if shipped by air

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Forged Pro pistons for SB Chevy 350 Long Rod, 4.060 bore, 1.260 C.H., 3.48 in. stroke, 6 in. rod, 5cc flat top 10.2@64cc, 9.9@67cc, 9.4@72.

Part Number: SUM-SBC350060L

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Forged Pro pistons for 383 Stroker Chevy, 4.030 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Forged Pro pistons for SB Chevy 350 Long Rod, 4.030 bore, 1.260 C.H., 3.48 in. stroke, 6 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72.

Part Number: SUM-SBC350030L

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.060 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383060L

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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-110S274065-6

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Pistons, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-00

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Piston, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Single replacement, Each

Part Number: SUM-17383C-40-1

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Estimated Ship Date: Monday 2/23/2026 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-326S434070-2

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Estimated Ship Date: Monday 2/23/2026 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-299S273780-2

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Estimated Ship Date: Monday 2/23/2026 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-299S27400512

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pistons, Hypereutectic, Flat, 4.060 in. Bore, Chevy, Each

Part Number: SUM-17350C-60-1

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Forged Pro pistons BB Chevy 565, 4.600 bore, 1.120 C.H., 4.25 in. stroke, 6.535 rod, 8cc open/closed chamber Dome 11:1@110cc, 10.7@114cc, 10.2@119cc.

Part Number: SUM-BBC54046008L

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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-299S274065-2

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Estimated Ship Date: Monday 2/23/2026 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-299S273810-2

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Estimated Ship Date: Monday 2/23/2026 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-110S273780-5

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Estimated Ship Date: Monday 2/23/2026 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-110S274040-8

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Estimated Ship Date: Monday 2/23/2026 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-110S274005-8

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Forged Pro pistons for SB Chevy 350, 4.040 bore, 1.560 C.H., 3.48 in. stroke, 5.7 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72cc.

Part Number: SUM-SBC350040

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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