2018 Holley Engines & Components

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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Estimated Ship Date: Feb 25, 2026 if ordered today

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Idler Pulleys, Replacement, Smooth, Composite Material, Black, for GM LT4, with LT4 Accessory Drive System, Each

Part Number: HLY-97-249

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Estimated Ship Date: Mar 2, 2026 if ordered today

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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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Estimated Ship Date: Feb 27, 2026 if ordered today

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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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Estimated Ship Date: Feb 25, 2026 if ordered today

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Idler Pulleys, Holley, Replacement, Serpentine, Smooth, Black, Composite, 2.75 in. Diameter, for LT4 Accessory Drive Systems, GM, 6.2L, Each

Part Number: HLY-97-242

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Polished, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-90

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Spacers, Power Steering Add-on, Bracket Spacer, GM LT4 System, Wet or Dry Sump, Aluminum, Black Finish, Kit

Part Number: HLY-97-262BK

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Accessory Brackets, LS Engine, Cast Aluminum, Black Finish, Alternator, Power Steering, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-155BK

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Power Steering Bracket, Replacement, GM, Gen V, LT4, Power Steering and Accessory Bracket, Long Spacer, Cast Aluminum, Black Finish, Each

Part Number: HLY-97-252BK

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Power Steering Bracket, Replacement, GM, Gen V, LT4, Power Steering and Accessory Bracket, Long Spacer, Cast Aluminum, Satin Finish, Each

Part Number: HLY-97-252

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: HLY-97-334

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Engine Accessory Bracket Components, Engine Accessory, R4 Tensioner, Spacer, Aluminum, Cast Finish, Chevy, 4.8-7.0L, LS Based, Kit

Part Number: HLY-21-7

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Idler Pulleys, Holley, Replacement, Serpentine, 7-Groove, Black, Composite, for LT4 Accessory Drive Systems, GM, 6.2L, Each

Part Number: HLY-97-240

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Idler Pulleys, Replacement, Smooth, Composite, Black, 70mm Diameter, GM LT5, with Accessory Drive Systems, Chevy, 6.2L, Each

Part Number: HLY-97-266

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Steering Bracket, Replacement, GM, Gen V, LT4, Dry-Sump Only, Power Steering and Accessory Bracket, Short Spacer, Cast Aluminum, Black Finish, Each

Part Number: HLY-97-253BK

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Idler Pulleys, Replacement, Idler Pulley, Smooth, Serpentine, Composite, Black, 90mm, for GM LT5, Supercharged Engine, Each

Part Number: HLY-97-269

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Steering Bracket, Replacement, GM, Gen V, LT4, Dry-Sump Only, Power Steering and Accessory Bracket, Short Spacer, Cast Aluminum, Satin Finish, Each

Part Number: HLY-97-253

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: HLY-97-241

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: HLY-97-243

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, Pulleys, 6-groove, Natural Finish, Chevy, 5.3L, 6.2L, Kit

Part Number: HLY-20-201

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: HLY-20-137P

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C Only, Polished, Chevy, V8, Kit

Part Number: HLY-20-142P

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Accessory Brackets, LS Engine, Cast Aluminum, Polished Finish, Alternator, Power Steering, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-155P

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, A/C, Water Pump, Power Steering, SFI Damper, Polished Finish, Chevy, 4.8-6.2, Kit

Part Number: HLY-20-180P

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, Pulleys, 6-groove, Black Finish, Chevy, 5.3L, 6.2L, Kit

Part Number: HLY-20-201BK

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Estimated Ship Date: Feb 25, 2026 if ordered today

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