Availability
CHEVROLET Holley Engines & Components
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
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 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: Today
Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Short Alignment, Chevy, Small Block LS, Each
Part Number: HLY-21-1
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Track Series, Perimeter Bolt, Tall, Chevrolet Logo, Fabricated Aluminum, Polished, Baffled, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-278
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Covers, 1-Piece, Aluminum, Black, Chevrolet, Small Block, Without Crank Sensor, Each
Part Number: HLY-21-151
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Accessory Drive Bracket Kits, for R4 Compressor, Aluminum, Natural, Chevy, Small Block LS, Kit
Part Number: HLY-20-131
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-175
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Vintage Series. Perimeter Bolt, Tall, Finned, Cast Aluminum, Natural Finish, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-106
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 11-Bolt Pattern, Chevy, LS, 6.0L, 6.2L, 7.0L, Each
Part Number: HLY-241-362
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Vintage Series. Perimeter Bolt, Tall, Finned, Cast Aluminum, Back Finish, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-108
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Valve Covers, Sniper EFI, Fabricated, Aluminum, Short, Baffled, Black Gloss, 1.25 in. Breather Holes, Hardware, Chevy, Small Block, 283-400ci, Pair
Part Number: SNE-890010B
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, LS Ford Style, Cast Aluminum, Center Bolt, Plain, Cast Aluminum, Polished Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-186
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Vintage Series. Perimeter Bolt, Tall, Finned, Cast Aluminum, Orange Powdercoat, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-109
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, M/T Series, Perimeter Bolt, Tall, Finned, Cast Aluminum, Natural Finish, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-150
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Muscle Series, Perimeter Bolt, Stock Height, Finned, Cast Aluminum, Black Powdercoat, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-135
Estimated Ship Date: Today
Estimated Ship Date: Today
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