1998 Holley Engines & Components

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, 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, 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 )

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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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Harmonic Balancer Bolts, Replacement, Steel, Black E-Coat, 1/2 in.-20 Thread, 2.5 in. Long, 12-Point Head, Washer included, Chevy, 6.5-8.1L, Each

Part Number: HLY-97-321

3.0 out of 5 stars ( 2 )

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Alternator Brackets, Low-Mount, Aluminum, Black, Chevy, Kit

Part Number: HLY-20-166BK

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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

Valve Covers, Sniper EFI, Fabricated, Aluminum, 3.25 in. Tall, Black Gloss, No Breather Hole, Hardware, Ford, 260-351ci, Windsor, Pair

Part Number: SNE-890013B

2.4 out of 5 stars ( 5 )

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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 )

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Valve Covers, Sniper EFI, Fabricated, Aluminum, Tall, Baffled, 1/4 in. Mount Rail, Black, 1.25 in. Breather Hole, Hdw, Ford, 260-351ci, Windsor, Pair

Part Number: SNE-890012B

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Pulley Spacer, Crankshaft, 4-Bolt, Aluminum, Black Powdercoated, 0.075 in. Thickness, Ford, Each

Part Number: HLY-97-446

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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

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Engine Oil Filler Caps, LS Engine Oil Fill Caps, Dished, Round, Screw-in, Aluminum, Silver, Chevrolet, Small Block LS, Each

Part Number: HLY-241-198

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

Part Number: HLY-241-248

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Accessory Drive Bracket Spacer Kits, Aluminum, Black Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3BK

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

Part Number: HLY-241-97

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Valve Covers, Aluminum LS, Centerbolt, Tall, Chevrolet Logo, Cast Aluminum, Orange Gloss, Baffled, Chevy, LS, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-403

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Valve Covers, Vintage Series, Centerbolt, Stock Height, Finned, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-131

4.0 out of 5 stars ( 1 )

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 130 Amp Alternator, Natural, Kit

Part Number: HLY-20-136

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 105 Amp Alternator, Kit

Part Number: HLY-20-162

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

Part Number: HLY-561-133

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

Part Number: SNE-890014

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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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Valve Covers, Aluminum LS, Centerbolt, Tall, Chevrolet Logo, Cast Aluminum, Natural Finish, Baffled, Chevy, LS, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-400

5.0 out of 5 stars ( 2 )

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Accessory Drive Systems, Mid-Mount, Natural, Serpentine, 6-groove, GM Type 2, Sanden SD-7, Chevy, LSA/LS, Kit

Part Number: HLY-20-163

5.0 out of 5 stars ( 1 )

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