Availability
Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Water Pump, Counterclockwise, Pulleys, 6-groove, Black Finish, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-187BK
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
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
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 105 Amp Alternator, Kit
Part Number: HLY-20-162
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C, Chevy, V8, Kit
Part Number: HLY-20-138
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Accessory Drive Bracket Kits, for R4 Compressor, Aluminum, Natural, Chevy, Small Block LS, Kit
Part Number: HLY-20-131
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair
Part Number: HLY-241-111
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
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
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7B10 A/C Only, Black Powdercoated, Chevy, GMC, V8, Kit
Part Number: HLY-20-138BK
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
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
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
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: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Compressor, Tensioner, Chevrolet, Small Block LS, Kit
Part Number: HLY-20-140
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Polished, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair
Part Number: HLY-241-90
Estimated Ship Date: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Power Steering Brackets, Mid LSA/LS, Accessory Drive Bracket, Power Steering, Aluminum, Black Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit
Part Number: HLY-20-165BK
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Without A/C, Chevy, V8, Kit
Part Number: HLY-20-143
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each
Part Number: HLY-241-260
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Without A/C, Black Powdercoated, Chevy, V8, Kit
Part Number: HLY-20-143BK
Not Yet Reviewed
Estimated Ship Date: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 2025 if ordered today
Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Black, Plastic, Billet Aluminum Insert, Domed Holley Decal, Each
Part Number: HLY-241-224
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
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: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Compressor, Tensioner, Chevrolet, Small Block LS, Kit
Part Number: HLY-20-140BK
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
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: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-190
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Idler Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Black, Plastic, 2.323 in. Diameter, for Holley LS Accessory Drive, Passenger Side, Each
Part Number: HLY-97-153
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Power Steering, SFI Damper, Hardware, Black Finish, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-181BK
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Alternator Brackets, Low-Mount, Aluminum, Black, Chevy, Kit
Part Number: HLY-20-166BK
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
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