CHEVROLET 5.7L/350 Holley Parts and Accessories

Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

Engine Oil Dipstick, GM LS Retrofit, Plastic Handle, Yellow, Steel Tube, Black Powdercoated, Chevy, Small Block, Each

Part Number: HLY-302-15

2.29 out of 5 stars ( 35 )

Estimated Ship Date: Tomorrow

Gaskets, Plenum O-Ring Cord, 4.5 ft. Long, 3/32 in. Diameter, Hi-Ram, Chevy, LS, Each

Part Number: HLY-508-21

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Water Pump Fasteners, Holley, LT/LS Cooling Manifold, Replacement, Hardware, Steel, Cadmium Finish, GM, Gen III/IV, LS Engines, Kit

Part Number: HLY-97-162

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Intake Manifold Installation, Sniper EFI, O-Ring, Gaskets, Mounting Hardware, Stock Port, Mod-Motor Manifold, Chevy, LS, 5.47L, 6.0L, Kit

Part Number: SNE-870002

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Water Neck Thermostat Housings, Replacement, Aluminum, 1.50 in. Outlet, O-ring Seal, with Thermostat, for LT/LS Mid-Mount Accessory Drive Only, Each

Part Number: HLY-97-169

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Throttle Cable Brackets, Intake Manifold Mounting Style, Steel, Black, for Use On Holley Intake HLY-300-621, Chevrolet, Small Block LS, Each

Part Number: HLY-20-154

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Estimated Ship Date: Tomorrow

Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Natural, Aluminum Cap, O-ring Included, for Holley LS Valve Covers, Each

Part Number: HLY-241-225

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Gaskets, Replacement, Port Flange, O-ring, Size 2-234, Intake Model 300-255, 300-256, 300-290, 300-291, 8-piece, Set

Part Number: HLY-508-28

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Black, Plastic, Billet Aluminum Insert, Domed Holley Decal, Each

Part Number: HLY-241-224

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gaskets, Intake Manifold, Upper to Lower, Weiand Tunnel Ram, Chevy, Ford, Small Block, Pair

Part Number: HLY-108-119

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Fuel Pump Block-Off Plates, Steel, Chrome Plated, with Gaskets, Chevy, Small Block, V8 Engines, Each

Part Number: HLY-12-814

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Fuel Tank Straps, Sniper, Stock Replacement, Mounting Straps, Steel, Chevy, Camaro, Pontiac, Firebird, Pair

Part Number: SNE-19-579

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Accessory Bracket Components, Replacement, Hardware, Steel, Nickel Finish, for Cooling Manifold, 20-240, Chevy, Small Black, Kit

Part Number: HLY-97-302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Fuel Tank Straps, Sniper, Stock Replacement, 31 Gallon Tank, Mounting Straps, Steel, Chevy, Blazer, GMC, Jimmy, Pair

Part Number: SNE-19-577

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Weatherproof Connectors, Holley EFI, LS 58X Crank/CPS Sensor Connectors, Metripack, 3-pin, Female, Black, with Pins, Seals, TPA, 10-piece, Chevy, Set

Part Number: HLY-570-318

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Fuel Tank Straps, Stock Replacement, Silver, Galvanized, Steel, Long Bed, Chevy, GMC, Pair

Part Number: SNE-19-575

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Brackets, Sniper EFI, Throttle Cable Mount, Intake Manifold, Aluminum, Silver, for Sniper EFI, Fabricated, with Hardware, Chevy, LS, 5.7L, 6.0L, Kit

Part Number: SNE-870016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Fuel Tank Mounting Straps and Adapters, Sniper Fuel Tank Straps, Steel, Galvanized, Chevrolet, Pair

Part Number: SNE-19-564

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Weatherproof Connectors, Holley EFI, LS 24X Crank, MAP Sensor Connectors, Metripack, 3-pin, Female, Gray, with Pins, Seals, TPA, 10-piece, Chevy, Set

Part Number: HLY-570-317

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Fuel Tank Straps, Sniper, Stock Replacement, Mounting Straps, Steel, Galvanized, Silver, Hardware Included, Chevy, Corvette, Pair

Part Number: SNE-19-565

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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