CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engine Coolant Crossovers - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Coolant Steam Port Crossover Kits SUM-220960

Coolant Crossover, Billet Aluminum, -4AN Braided Stainless Hose, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, W/ Vent, LS1, LSX, Kit

Part Number: SUM-220960

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Coolant Steam Port Crossover Kits SUM-220962

LS Coolant Steam Crossover Kit 1, Billet Aluminum, -4AN Braided Stainless Hose, Bypass Hose Kit, W/ Vent Front, No Vent Rear, LS1, LSX, Kit

Part Number: SUM-220962

5.0 out of 5 stars ( 3 )

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Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-306SB601

Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-306SB601

Engine Steam Line Plumbing Kit, Four Corner, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: TFS-306SB601

4.08 out of 5 stars ( 50 )

Estimated Ship Date: Tomorrow

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Holley LS Steam Vent Kits 26-550

Engine Coolant Crossovers, LS Steam Vent Kits, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: HLY-26-550

5.0 out of 5 stars ( 1 )

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Chevrolet Performance Engine Coolant Crossover Pipes 12694769

Engine Coolant Crossover Pipe, Stainless Steel, Natural, O-rings, Chevy, LS, Kit

Part Number: NAL-12694769

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Coolant Steam Port Crossover Kits SUM-220961

Coolant Crossover, Billet Aluminum, -4AN Braided Stainless Hose, LS Throttle Body Bypass Hose Kit, NO Vent, Rear balance Crossover, Kit

Part Number: SUM-220961

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ICT Billet Coolant Crossover Kits 551837-LS01

Engine Coolant Crossovers, LS Steam Vent Kits, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: ICB-551837-LS01

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Coolant Steam Port Crossover Kits SUM-220960-B

Coolant Crossover, Billet Black Aluminum, -4AN Braided Stainles Hose, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, W/Vent, LS1, LSX, Kit

Part Number: SUM-220960-B

Not Yet Reviewed

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ICT Billet Coolant Crossover Kits 551675

Coolant Crossover, Billet Aluminum, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, LS, Kit

Part Number: ICB-551675

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ICT Billet Coolant Crossover Kits 551694H

Coolant Crossover, Billet Aluminum, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, LS1, LSX, Kit

Part Number: ICB-551694H

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Holley LS Steam Vent Kits 26-552

Engine Coolant Crossover, LS Steam Vent, Aluminum, Black Anodized, Chevy, Small Block, Kit

Part Number: HLY-26-552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-306S0601

Engine Steam Line Plumbing Kit, Four Corner, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: TFS-306S0601

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Coolant Steam Port Crossover Kits SUM-220963

LS Coolant Steam Crossover Kit 2, Billet Aluminum, -4AN Braided Stainless Hose, Bypass Hose Kit, W/ Vent Front, Billet Plugs Rear, LS1, LSX, Kit

Part Number: SUM-220963

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Nitrous Outlet Coolant Crossovers 03-51000

860 Performance Water Vapor Bleed Cross Over Kit for LS1/2/6 FAST 90/92mm

Part Number: NXO-03-51000

Not Yet Reviewed

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Summit Racing™ Pro LS Steam Line Kits SUM-220952

Steam Line Plumbing Kit, Engine Coolant Crossover, Aluminum, Black Anodized, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-220952

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Coolant Steam Port Crossover Kits SUM-220961-B

Coolant Crossover, Billet Black Aluminum, -4AN Braided Stainless Hose, LS Throttle Body Bypass Hose Kit, NO Vent, Rear balance Crossover, Kit

Part Number: SUM-220961-B

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ICT Billet Coolant Crossover Kits 551692

Engine Coolant Crossovers, Billet Aluminum, Natural, Hoses, Bypasses Throttle Body Coolant Line, Chevy, Small Block LS, Kit

Part Number: ICB-551692

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-306SB600

Engine Steam Line Plumbing Kit, Front Kit Only, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: TFS-306SB600

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Estimated Ship Date: Oct 24, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Trick Flow® Engine Steam Line Hoses for GM LS TFS-306SB601K

4 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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ICT Billet Coolant Crossover Kits 551679

Engine Coolant Crossovers, Billet Aluminum, Natural, Chevy, Small Block LS, Kit

Part Number: ICB-551679

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-306S0600

Engine Steam Line Plumbing Kit, Front Kit Only, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: TFS-306S0600

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Estimated Ship Date: Oct 24, 2025 if ordered today

PWR North America Steam Vent Kits for GM LS Engines 78-10000

Engine Steam Vent Kit, Chevy, Small Block LS, Kit

Part Number: CIR-78-10000

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Holley LS Steam Vent Kits 26-553

Coolant Crossovers, LS Steam Vent, Aluminum, Black Fitting, Nylon Braided Hose, Black, 4 AN Size, Kit

Part Number: HLY-26-553

4.75 out of 5 stars ( 4 )

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Need It Sooner? We recommend these similar substitute parts:

Holley LS Steam Vent Kits 26-550

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trick Flow® Engine Steam Line Plumbing Kits for GM LS TFS-30600601

Engine Steam Line Plumbing Kit, Four Corner Kit, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: TFS-30600601

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ICT Billet Coolant Crossover Kits 551694

Engine Coolant Crossovers, Billet Aluminum, Natural, 1/8 in. NPT Threaded Adapters, Chevy, Small Block LS, Kit

Part Number: ICB-551694

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Steam Line Kits SUM-220952B

Steam Line Plumbing Kit, Engine Coolant Crossover, Aluminum, Black Anodized, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-220952B

1.0 out of 5 stars ( 2 )

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Need It Sooner? We recommend these similar substitute parts:

Trick Flow® Engine Steam Line Hoses for GM LS TFS-306SB601K

4 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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