Engines & Components | Summit Racing

Summit Racing™ Pro LS Forged Pistons SUM-326S434030-2

Summit Racing™ Pro LS Forged Pistons SUM-326S434030-2

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-326S434030-2

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JE Pistons LS Series Flat Top Pistons 311965R

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.065 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-311965R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series Inverted Dome Pistons 312026R

Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-312026R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series Inverted Dome Pistons 312043R

Piston, Forged, Dish, 2-Valve Reliefs, 4.065 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312043R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series 15-Degree Dome Pistons 312112R

Piston, Forged, Dome, 2-Valve Reliefs, 4.080 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312112R

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series Inverted Dome Pistons 324068R

Piston, Forged, Dish, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-324068R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Summit Racing™ Pro LS Piston Rings SUM-136SM8531045

Piston Rings, Plasma Moly Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 3.820 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-136SM8531045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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JE Pistons LS Series 15-Degree Dome Pistons 312094R

Piston, Forged, Dome, 2-Valve Reliefs, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.304 in. Compression, Chevy, Right, Each

Part Number: JEP-312094R

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

JE Pistons LS Series Flat Top Pistons 311978R

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-311978R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series Inverted Dome Pistons 312041R

Piston, Forged, Dish, 2-Valve Reliefs, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-312041R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons LS Series Inverted Dome Pistons 324064R

Piston, Forged, Dish, 2-Valve Reliefs, 4.065 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each

Part Number: JEP-324064R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326S434070-2

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

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Pro LS Forged Pistons SUM-326S434000-2

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-326S434000-2

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams LS Replacement Timing Chains 9132

Timing Chains, LS Repalcement Timing Chains, Chevrolet, Small Block LS, Each

Part Number: CCA-9132

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326S43810-2F

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-326S43810-2F

Not Yet Reviewed

Estimated Ship Date: Today

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FiTech Plus LS Valve Covers 131001

Valve Covers, Tall Height, Cast Aluminum, 72mm. Coil Mounting, Satin, Chevy, LS, Pair

Part Number: FIF-131001

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-299S27407512

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-299S27407512

Not Yet Reviewed

Estimated Ship Date: Today

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JE Pistons LS Series 15-Degree Dome Pistons 312106L

Piston, Forged, Dome, 2-Valve Reliefs, 4.005 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each

Part Number: JEP-312106L

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Howards Cams LS Dual Valve Springs 98118

Valve Springs, Dual, 1.295 in. Outside Diameter, 407 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16

Part Number: HRS-98118

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 24, 2026 if ordered today

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Estimated Ship Date: Jun 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

COMP Cams Valve Springs 26926-16

2 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Pro LS Forged Pistons SUM-299S274040-2

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-299S274040-2

Not Yet Reviewed

Estimated Ship Date: Today

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JE Pistons LS Series Flat Top Pistons 323981R

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.900 in. Stroke, 6.125 in. Rod, 1.165 in. Compression, Chevy, Right, Each

Part Number: JEP-323981R

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-299S273780-7

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-299S273780-7

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Pro LS Forged Pistons SUM-326S43400012

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-326S43400012

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Estimated Ship Date: Today

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Summit Racing™ Pro LS Forged Pistons SUM-326S45810-7P

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-326S45810-7P

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Pro LS Forged Pistons SUM-299S273903-3

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-299S273903-3

Not Yet Reviewed

Estimated Ship Date: Today

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