1999 Holley Engines & Components

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: Today

Spacer and Adapters, LS Valve Cover, Adapter, Perimeter Bolt, Cast Aluminum, 1.385 in. Thick, Polished, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-241-296

5.0 out of 5 stars ( 1 )

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

Part Number: HLY-241-183

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

Part Number: HLY-241-88

4.38 out of 5 stars ( 8 )

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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

2.0 out of 5 stars ( 1 )

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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

3.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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

Part Number: HLY-20-142

4.83 out of 5 stars ( 6 )

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

Part Number: HLY-20-155

4.33 out of 5 stars ( 3 )

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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 )

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Oil Pan Baffles, Replacement, LS Swap, Retrofit, Aluminum, Natural Finish, for Holley 302-3, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: HLY-302-12

5.0 out of 5 stars ( 1 )

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Intake Manifolds, EFI, Hi-Ram, Multi-port, Top Only, 105mm Bore, Cast Aluminum, Black Finish, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L,Each

Part Number: HLY-300-246BK

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Valve Covers, Aluminum LS, Centerbolt, Tall, Cast Aluminum, Orange Powdercoated, Gloss Finish, Chevy, 5.7L, 6.0L, 6.2L, 7.0L,Pair

Part Number: HLY-241-164

2.5 out of 5 stars ( 2 )

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Crankshaft Pulleys, Holley, Replacement, LS Serpentine, 3-bolt, 6-groove, Steel, Black, for Holley Mid-Mount Accessory Drive, Chevy, 5.7-6.2L, Each

Part Number: HLY-97-159

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Accessory Belt Tensioners, Holley, LS Tensioner Assembly, Serpentine, Grooved Pulley, 6-rib, Passenger Side, for Holley Accessory Drive Only, Each

Part Number: HLY-97-151

2.67 out of 5 stars ( 6 )

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-369

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Valve Covers, Sniper EFI, Fabricated, Aluminum, 3.5 in. Tall, Baffled, Black, 1.25 in. Breather Holes, Hardware, Chevy, 396-454ci, Pair

Part Number: SNE-890004B

4.5 out of 5 stars ( 4 )

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Idler Pulleys, Holley, Serpentine Style, Black Finish, 2.75 in. Diameter, 76 mm, Smooth, Steel, for Holley LS Accessory Drive Brackets Only, Each

Part Number: HLY-97-150

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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 )

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Valve Covers, Tall -plus 0.54 in. Inside, Centerbolt, Chevrolet Logo, Cast Aluminum, Red Gloss Finish, Baffled, w/Grommets, Hardware, Chevy, LS, Pair

Part Number: HLY-241-404

4.0 out of 5 stars ( 1 )

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Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Natural Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-110

4.8 out of 5 stars ( 15 )

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

Part Number: HLY-241-150

5.0 out of 5 stars ( 2 )

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Spacer and Adapters, LS Valve Cover, Adapter, Perimeter Bolt, Cast Aluminum, 1.385 in. Thick, Natural, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-241-298

4.5 out of 5 stars ( 2 )

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

Part Number: HLY-241-262

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Valve Covers, LS Pontiac, Cast Aluminum, Perimeter Bolt, Plain, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-190

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Power Steering Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Press-fit, Steel, Black, 5.75 in. OD, 0.66 in. Bore, for GM Type 2 Pump, Each

Part Number: HLY-97-154

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today