Availability
CHEVROLET Holley Engines & Components
Valve Covers, Vintage Series. Perimeter Bolt, Tall, Finned, Cast Aluminum, Polished Finish, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-107
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, M/T, Finned, Cast Aluminum, Polished, Baffled, Chevy, Gen, V, VI, Mark IV, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-84
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Natural Finish, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-110
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Oil Catch Cans, Holley, LT4 Oil Separator Tank, Aluminum, Black Finish, 1/4 in.-NPT, Male Thread, Quick Connect, GM, 6.2L, with Accessory Driive, Each
Part Number: HLY-97-206
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Track Series, Centerbolt, Tall, Chevrolet Logo, Fabricated Aluminum, Silver Gloss, Baffled, Chevy, 5.0L, 5.7L, Pair
Part Number: HLY-241-285
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each
Part Number: HLY-241-367
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Accessory Bracket Components, Gen V, LT, Accessory Drive, Installation, Cast, Aluminum Brackets, Hardware, Wiring Harness, Kit
Part Number: HLY-21-5
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Polished, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-186P
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 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 2/23/2026
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
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Accessory Drive Bracket Spacer Kits, Aluminum, Natural, Long, Chevy, Small Block LS, Each
Part Number: HLY-21-4
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Muscle Series, Centerbolt, Chevrolet Logo, Cast Aluminum, Orange Gloss, Baffled, Chevy, 5.0L, 5.7L, Pair
Part Number: HLY-241-293
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Oil Pan Baffle, GM LS Retro-fit, Aluminum, Natural, Chevy, 4.8L, 5.3L, 6.0L, Kit
Part Number: HLY-302-10
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Vintage Series, Perimeter Bolt, Tall, Finned, Holley Logo, Cast Aluminum, Polished Finish, Baffled, Chevy, 283-400ci, Pair
Part Number: HLY-241-241
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 11-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L, Each
Part Number: HLY-241-263
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Red Powdercoat, Glossy, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-113
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C Only, Black Powdercoated, Chevy, V8, Kit
Part Number: HLY-20-142BK
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
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
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Valve Covers, Vintage Series, Centerbolt, Finned, Holley Logo, Cast Aluminum, Orange Gloss Finish, Baffled, Chevy, 5.0L, 5.7L, Pair
Part Number: HLY-241-249
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Middle Alignment, Chevy, Small Block LS, Each
Part Number: HLY-21-2
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Alternator Brackets, Low-Mount, Aluminum, Black, Chevy, Kit
Part Number: HLY-20-166BK
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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