Availability
Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Black, Chevrolet, Small Block Gen I, Kit
Part Number: HLY-20-240BK
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Black, Chevrolet, Big Block, Kit
Part Number: HLY-20-242BK
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Natural, Chevrolet, Big Block, Kit
Part Number: HLY-20-242
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Natural, Chevrolet, Small Block Gen I, Kit
Part Number: HLY-20-240
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Track Series, Perimeter Bolt, Tall, Chevrolet Logo, Fabricated Aluminum, Black Gloss, Baffled, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-281
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Muscle Series, Perimeter Bolt, Stock Height, Finned, Cast Aluminum, Polished Finish, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-137
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Muscle Series, Perimeter Bolt, Stock Height, Finned, Cast Aluminum, Natural Finish, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-134
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, M/T Series, Perimeter Bolt, Tall, Finned, Cast Aluminum, Polished Finish, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-151
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, M/T Series, Perimeter Bolt, Tall, Finned, Cast Aluminum, Black Powdercoat, Satin Finish, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-152
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Vintage Series, Perimeter Bolt, Tall, Finned, Holley Logo, Cast Aluminum, Black Finish, Textured, Baffled, Chevy, 283-400ci, Pair
Part Number: HLY-241-242
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Power Steering Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Press-fit, Steel, Black, 6.70 in. OD, 0.66 in. Bore, for Saginaw Pump, Each
Part Number: HLY-97-152
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Track Series, Perimeter Bolt, Tall, Chevrolet Logo, Fabricated Aluminum, Black Satin, Baffled, Chevy, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-279
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Muscle Series, Perimeter Bolt, Stock Height, Finned, Cast Aluminum, Orange Painted, Chevy, 4.3-6.6L, Pair
Part Number: HLY-241-136
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, Vintage Series, Perimeter Bolt, Tall, Finned, Holley Logo, Cast Aluminum, Natural Finish, Baffled, Chevy, 283-400ci, Pair
Part Number: HLY-241-240
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Valve Covers, M/T, Finned, Cast Aluminum, Black Textued, Baffled, Chevy, Gen, V, VI, Mark IV, 396ci, 402ci, 427ci, 454ci, Pair
Part Number: HLY-241-85
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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