Holley Engines & Components

Holley LS Engine Swap Accessory Drive Systems 20-156

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

Part Number: HLY-20-156

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Valve Cover Bolt Kits 561-134

Valve Cover Fasteners, Holley EFI, Tall LS Valve Cover Bolts, Polished, Aluminum, Hex Head, 6mm x 1.0 Thread, Hardware, 8-piece, Chevy, 4.8-7.0L, Set

Part Number: HLY-561-134

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley M/T Valve Covers 241-151

Valve Covers, M/T Series, Perimeter Bolt, Tall, Finned, Cast Aluminum, Polished Finish, Chevy, 396ci, 402ci, 427ci, 454ci, Pair

Part Number: HLY-241-151

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Holley Vintage Series Valve Covers 241-247

Valve Covers, Vintage Series, Centerbolt, Finned, Holley Logo, Cast Aluminum, Black Satin Finish, Baffled, Chevy, 5.0L, 5.7L, Pair

Part Number: HLY-241-247

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Gen III Hemi Retrofit Oil Pans 302-61

Oil Pans, Gen III Hemi, RetroFit, Wet Sump, Center, 6 Quart, Dipstick Compatible, Cast Aluminum, Natural, Chrysler, Dodge, Plymouth, 345ci, 392ci,

Part Number: HLY-302-61

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 21-1

Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Short Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-1

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Aluminum LS Valve Covers 241-182

Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Finned, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-182

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Valley Covers 241-260

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-260

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Power Steering Pulleys for 1997-2004 CORVETTE - 97-152

Power Steering Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Press-fit, Steel, Black, 6.70 in. OD, 0.66 in. Bore, for Saginaw Pump, Each

Part Number: HLY-97-152

3.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Mid-Mount Complete Accessory Systems 20-186

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Natural Color, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

March Performance Chevy LS Series Serpentine Kits 20085-08

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026

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Holley High-Mount Complete Accessory Systems 20-310

Accessory Drive Systems, High-Mount, Serpentine, Alternator, Power Steering, AC, Water Pump, Aluminum, Natural, Timing Cover, Ford, 7.3L Godzilla, Kit

Part Number: HLY-20-310

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Holley Muscle Series Centerbolt Valve Covers 241-292

Valve Covers, Muscle Series, Centerbolt, Chevrolet Logo, Cast Aluminum, Black Satin, Baffled, Chevy, Gen I, 5.0L, 5.7L, Pair

Part Number: HLY-241-292

1.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Aluminum LS Valve Covers 241-407

Valve Covers, Aluminum LS, Centerbolt, Tall, LSX Logo, Cast Aluminum, Black Satin, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-407

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Cast Aluminum Timing Covers 21-151

Timing Covers, 1-Piece, Aluminum, Black, Chevrolet, Small Block, Without Crank Sensor, Each

Part Number: HLY-21-151

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Track Series Valve Covers 241-278

Valve Covers, Track Series, Perimeter Bolt, Tall, Chevrolet Logo, Fabricated Aluminum, Polished, Baffled, Chevy, 396ci, 402ci, 427ci, 454ci, Pair

Part Number: HLY-241-278

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Tensioner Assemblies 97-179

Accessory Belt Tensioners, Holley, Replacement, Tensioner Assembly, Cast Aluminum, Smooth Pulley, for LS Accessory Drives Only, GM, LS, 4.8-7.0L, Each

Part Number: HLY-97-179

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Valley Covers 241-265

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Black Anodized, 11-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-241-265

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Gen III Hemi Retrofit Oil Pans 302-60

Oil Pans, Engine Swap, Center Sump, Aluminum, Natural, 4.060 in. Stroke, 6 Quarts, Mopar, 5.7, 6.1, 6.4L, Gen III Hemi, Without VVT, Each

Part Number: HLY-302-60

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Vintage Series Valve Covers 241-302

Valve Covers, Vintage Series, Perimeter Bolt, Holley Logo, Cast Aluminum, Black Satin, Baffled, Chevrolet, Gen V, VI, Mark IV, 396-454ci, Pair

Part Number: HLY-241-302

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 20-131

Accessory Drive Bracket Kits, for R4 Compressor, Aluminum, Natural, Chevy, Small Block LS, Kit

Part Number: HLY-20-131

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Mid LSA/LS Power Steering Brackets 20-165

Power Steering Brackets, Mid LSA/LS, Accessory Drive Bracket, Power Steering, Aluminum, Satin Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-20-165

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Vintage Series Valve Covers 241-250

Valve Covers, Vintage Series, Centerbolt, Finned, Holley Logo, Cast Aluminum, Red Gloss Finish, Baffled, Chevy, 5.0L, 5.7L, Pair

Part Number: HLY-241-250

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Vintage Series Valve Covers 241-106

Valve Covers, Vintage Series. Perimeter Bolt, Tall, Finned, Cast Aluminum, Natural Finish, Chevy, 4.3-6.6L, Pair

Part Number: HLY-241-106

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Sniper Fabricated Aluminum Valve Covers 890014B

Valve Covers, Sniper EFI, Fabricated, Aluminum, 2.25 in. Tall, Center Bolt Mount, Black Gloss, No Breather Hole, Hardware, Chevy, LS, 4.8-7.0L, Pair

Part Number: SNE-890014B

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley Gen III Hemi Oil Dipstick and Tube Kits 302-74

Oil Dipsticks, Gen III Hemi, Oil Dipstick and Tube, Plastic Handle, Yellow, Steel Tube, Black, Kit

Part Number: HLY-302-74

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air