Engine Coolant Crossovers

LS Coolant Steam Crossover Kit, Four Corner LS Steam Vent Kit, Stainless Steel Hardlines with Black Anodized Steam Port Adapters, Chevy, LS, Kit

Part Number: SUM-220959X

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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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: Monday 2/16/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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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: Monday 2/16/2026 if shipped by air

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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: Monday 2/16/2026 if shipped by air

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

Part Number: EAR-LS0014ERL

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Water Pump Crossover, Billet Aluminum, -12 AN Female Inlets, -16 AN Male Outlet, Black Anodized, Adjustable, Each

Part Number: EAR-LS0035ERL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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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: Monday 2/16/2026 if shipped by air

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: Monday 2/16/2026 if shipped by air

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Engine Coolant Crossover, Tube, Adjustable from 6.8 in. to 10.5 in., -12AN O-Ring Ports, Billet Aluminum, Black Anodized, Chevrolet, LS, Each

Part Number: EAR-LS0037ERL

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: HLY-26-551

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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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: Monday 2/16/2026 if shipped by air

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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Cylinder Head Coolant Steam 4 Port Crossover Hose LS Low Profile Intake Kit

Part Number: ICB-HS-LS01-4P

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: TFS-30600600

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

LS STAINLESS COOLANT CROSSOVER STEAM VENT KIT

Part Number: TSN-81052

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Engine Coolant Crossover, -4 AN Hose/Fittings, Black, Chevy, Kit

Part Number: PGP-PRP-4530

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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

Part Number: CIR-78-10000

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Powerstroke Coolant Recircluation Kit

Part Number: APF-1039093278

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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

Part Number: SUM-220950B

3.29 out of 5 stars ( 7 )

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

Part Number: SUM-220950

2.33 out of 5 stars ( 6 )

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