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: Today

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: Today

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: Today

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: Today

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: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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: Today

Harmonic Balancer Bolts, Replacement, Steel, Black E-Coat, 7/16 in.-20 Thread, 2.8 in. Long, 12-Point Head, Washer included, Chevy, 4.6-6.6L, Each

Part Number: HLY-97-320

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

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: Today

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: Today

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: Today

Intake Manifold Studs, Lo-Ram, Steel, Natural, Standard 6-point Nuts, Chevy, Small Block LS, Kit

Part Number: HLY-300-612

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Tank Straps, Sniper, Stock Replacement, 25 Gallon Tank, Mounting Straps, Steel, Chevy, Blazer, GMC, Jimmy, Pair

Part Number: SNE-19-578

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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: Today

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: Today

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

Part Number: SNE-19-575

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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• Special Order

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: Feb 12, 2026 if ordered today

• Drop Ship
• Special Order