CHEVROLET Holley Engines & Components

Holley Aluminum LS Valve Covers 241-176

Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Polished, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-176

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Track Series Valve Covers 241-288

Valve Covers, Track Series, Perimeter Bolt, Chevrolet Logo, Fabricated Aluminum, Black Gloss, Baffled, Chevy, Gen I, 283-400ci, Pair

Part Number: HLY-241-288

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Mid-Mount Complete Accessory Systems 20-220BK

Accessory Drive Systems, LT Mid-Mount, Wet Sump, Serpentine, Alternator, Water Pump, Power Steering, A/C, Black Finish, Chevy, Gen V, 6.2L, Kit

Part Number: HLY-20-220BK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Cast Aluminum Timing Covers 21-150

Timing Covers, 1-Piece, Aluminum, Holley Logo, Natural, Chevrolet, Small Block, Without Crank Sensor, Each

Part Number: HLY-21-150

4.13 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Mid-Mount Complete Accessory Systems 20-185P

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Polished Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 21-3

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

Part Number: HLY-21-3

4.43 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Aluminum LS Valve Covers 241-402

Valve Covers, Aluminum LS, Centerbolt, Tall, Chevrolet Logo, Cast Aluminum, Black Satin, Baffled, Chevy, LS, 4.3L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-402

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Muscle Series Valve Covers 241-134

Valve Covers, Muscle Series, Perimeter Bolt, Stock Height, Finned, Cast Aluminum, Natural Finish, Chevy, 4.3-6.6L, Pair

Part Number: HLY-241-134

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Gen III Hemi Retrofit Oil Pans 302-76

Oil Pans, Gen III Hemi, Retrofit, VVT Engine, Wet Sump, Rear, 1-piece Main Seal, 6.2 Quart, Dipstick Passenger Side, Aluminum, Natural, Hardware, Each

Part Number: HLY-302-76

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley GM Gen-V LT Engine Swap Oil Pans 302-20BK

Oil Pan, Engine Swap, Aluminum, Black, 6.1 Quarts, Retrofit, Chevrolet, Gen V LT Engines, Each

Part Number: HLY-302-20BK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Aluminum LS Valve Covers 241-172

Valve Covers, Aluminum LS, Centerbolt, Tall, Holley Logo, Cast Aluminum, Black Powdercoated, Satin Finish, Chevy, 4.8-7.0L, Pair

Part Number: HLY-241-172

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Mid-Mount Complete Accessory Systems 20-205

Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, Belts, Damper, Natural Finish, GM, Gen V, 5.3L, 6.2L, Kit

Part Number: HLY-20-205

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 20-132BK

Accessory Drive Bracket Kits, for Sanden SD508 or SD7 Compressor, Aluminum, Black, Chevy, Small Block LS, Kit

Part Number: HLY-20-132BK

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 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 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 20-132

Accessory Drive Bracket Kits, for Sanden SD508 or SD7 Compressor, Aluminum, Natural, Chevy, Small Block LS, Kit

Part Number: HLY-20-132

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Track Series Valve Covers 241-280

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

Part Number: HLY-241-280

3.7 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Harmonic Balancers 97-205

Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, 7.50 in. OD, 1.48 in. ID, with Mid-Mount Accessory Drive Only, GM, 5.7-6.2L, Each

Part Number: HLY-97-205

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Retrofit Engine Oil Pans for GM LS Engines 302-2BK

Oil Pan, Engine Swap, Low Profile, Aluminum, Black, 3.620 in. Stroke, 5.7 Quarts, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: HLY-302-2BK

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley M/T Valve Covers 241-83

Valve Covers, M/T, Perimeter Bolt, Tall, Finned, Cast Aluminum, Black, Baffled, Chevy, 262ci, 267ci, 283ci, 305ci, 307ci, 327ci, 350ci, 400ci, Pair

Part Number: HLY-241-83

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Vintage Series Valve Covers 241-108

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

Part Number: HLY-241-108

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 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: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Retrofit Engine Oil Pans for GM LS Engines 302-4

Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.6 Quarts, Aluminum, Natural Finish, Chevy, GMC, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-302-4

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Retrofit Engine Oil Pans for GM LS Engines 302-1BK

Oil Pan, Engine Swap, Aluminum, Black Ceramic Coated, 4.250 in. Stroke, 5.5 Quarts, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: HLY-302-1BK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Harmonic Balancers 97-190

Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, Degree Marked, 7.5 in. Diameter, for Mid-Mount Accessory Drive Only, GM, 5.7-6.2L, Each

Part Number: HLY-97-190

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air