Holley Engines & Components

Valve Covers, Vintage Series, Perimeter Bolt, Tall, Finned, Holley Logo, Cast Aluminum, Black Finish, Textured, Baffled, Chevy, 283-400ci, Pair

Part Number: HLY-241-245

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Water Pump, Counterclockwise, Pulleys, 6-groove, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-187BK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Black Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156BK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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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 )

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Valve Covers, Sniper EFI, Fabricated, Aluminum, Tall, Baffled, 1/4 in. Mount Rail, Silver, 1.25 in. Breather Holes, Hardware, Chevy, 396-454ci, Pair

Part Number: SNE-890002B

1.0 out of 5 stars ( 1 )

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Oil Pan Baffles, Replacement, Steel, Zinc Plated, Hinge Door Design, for Holley 20-320, 320BK, 20-340, 340BK, Ford 7.3L Godzilla, Each

Part Number: HLY-302-105

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Without A/C, Black Powdercoated, Chevy, V8, Kit

Part Number: HLY-20-143BK

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Breathers, Valve Cover, Push-in, 1.250 in. OD Tube, Round, Steel, Chrome Plated, Universal, Each

Part Number: HLY-241-213

2.5 out of 5 stars ( 2 )

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Black Powdercoated, Chevy, V8, Kit

Part Number: HLY-20-141BK

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Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Compressor, Tensioner, Chevrolet, Small Block LS, Kit

Part Number: HLY-20-140BK

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Crankshaft Pulleys, Holley, Replacement, 3-bolt, 6-groove, Steel, Black Finish, for Holley LT1 Mid-Mount Accessory Drive Only, Each

Part Number: HLY-97-161

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Accessory Belt Tensioner Dress-Up Covers, Holley, Aluminum, Polished, for Mid Mount Accessory Drive, includes Hardware, Each

Part Number: HLY-97-157

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Idler Pulley, 6-Groove, Serpentine, Plastic, Black, 68.75mm O.D., 25mm Thick, Each

Part Number: HLY-97-344

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Oil Fill Caps, Screw-In, Round Shape, Silver, Aluminum, for Holley Sniper Valve Covers, Each

Part Number: SNE-891016

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Power Steering Replacement Parts, Replacement, Hardware Kit, Accessory Drive, Wet or Dry Sump System, LT4, Kit

Part Number: HLY-97-258

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Power Steering Brackets, Aluminum, Black Finish, Grooved Pulley, Black, for GM LT5 System-Wet Sump, with Long Spacer, Each

Part Number: HLY-97-334BK

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Oil Pump Spring, High Pressure, Steel, Ford 7.3L Godzilla, Each

Part Number: HLY-302-102

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Accessory Drive Systems, Mid-mount, Serpentine, Alternator, Cast Aluminum, Black, 150 amp, Single Wire, Pulley, 6-groove, Chevy, 6.2L, Gen V,LT4, Kit

Part Number: HLY-20-224BK

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Air Conditioner Brackets, Replacement, Bracket, Sanden SD7 Compressor, Aluminum, Natural, for High-Mount Accessory Drive, Ford, 7.3L Godzilla, Each

Part Number: HLY-97-403

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Oil Pump Pickups, Replacement, Pickup Tube, Steel, Zinc Finish, Rear-Sump, VVT, Gen III, Hemi Swap, Oil Pan 302-63, 63BK, 302-76, 76BK,, Each

Part Number: HLY-302-78

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Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, Degree Marked, 7.5 in. Diameter, with Mid-Mount Accessory Drive Only, GM, 7.0L, Each

Part Number: HLY-97-191

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Alternator Brackets, Water Pump Mount, Bracket Adapter, Aluminum, Natural Finish, Wet or Dry Sump System, Chevy, Gen V LT4, 6.2L, Each

Part Number: HLY-97-254

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Idler Pulleys, Holley, Replacement, Tensioner Assembly, Serpentine, Smooth Pulley, Black, Composite, for LT4 Accessory Drive Systems, GM, 6.2L, Each

Part Number: HLY-97-244

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Timing Covers, Replacement, Cast Aluminum, Black Finish, for Mid-Mount Accessory Drive 20-291BK, 20-293BK, Gen III, Hemi, VVT, 5.7L, 6.4L, Each

Part Number: HLY-97-375

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Timing Covers, Replacement, Cast Aluminum, Black Finish, for Mid-Mount Accessory Drive 20-290BK, 20-292BK, Gen III, Hemi, Non-VVT, 5.7L, 6.1L, Each

Part Number: HLY-97-373

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