1978 Engines & Components

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

Part Number: HLY-241-287

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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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

4.39 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Harmonic Balancer, Powerforce Series, Internal Balance, 8.00 in. Diameter, Steel, Black, Chevy, Small Block

Part Number: PFS-90002

3.36 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Harmonic Balancer, Powerforce Series, Internal/External Balance, 8.00 in. Diameter, Steel, Black, Chevy, 400, Each

Part Number: PFS-90003

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Powerforce Series, Internal/External Balance, 8.00 in. Diameter, Steel, Black, Chevy, 454, 502, Each

Part Number: PFS-90005

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Harmonic Balancer, Powerforce Series, Internal Balance, 6.75 in. Diameter, Steel, Black, Chevy, Small Block, Each

Part Number: PFS-90000

2.92 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, PowerForce, Internal, External Balance, Nodular Iron, Black, 10.6 lbs., AMC, Jeep, 304, 360, Each

Part Number: PFS-80101

3.94 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Valve Covers, Sniper EFI, Fabricated, Aluminum, 4.0 in. Tall, Baffled, Silver Gloss, 1.25 in. Breather Holes, Hardware, Ford, 429-460ci, Pair

Part Number: SNE-890007

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Valve Covers, Vintage Series, Perimeter Bolt, Tall, Finned, Holley Logo, Cast Aluminum, Natural Finish, Baffled, Chevy, 283-400ci, Pair

Part Number: HLY-241-240

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Powerforce Series, External Balance, 6.750 in. Diameter, Steel, Black, Chevy, 400, Each

Part Number: PFS-90001

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Valve Covers, Sniper EFI, Fabricated, Aluminum, Short, Baffled, Black, 1.25 in. Breather Holes, Hardware, Chrysler, Dodge, Plymouth, 383-440ci, Pair

Part Number: SNE-890005B

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, PowerForce Plus, Internal Balance, Steel, Black Painted, Ford, Lincoln, Mercury, 429, 460

Part Number: PFS-90008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Powerforce Plus Series, Internal Balance, Steel, Black, Chrysler, 318, 340, 360, Each

Part Number: PFS-90012

2.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Valve Covers, Tall, Cast Aluminum, Polished, Plain, Chevy, Small Block, Pair

Part Number: MRG-6854

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Valve Covers, Sniper EFI, Fabricated, Aluminum, Tall, Baffled, 1/4 in. Mount Rail, Black, 1.25 in. Breather Hole, Hdw, Ford, 260-351ci, Windsor, Pair

Part Number: SNE-890012B

Not Yet Reviewed

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Harmonic Balancer, Powerforce Plus, External Balance, Steel, Black, Oldsmobile, 330-455, Each

Part Number: PFS-90022

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Valve Covers, Sniper EFI, Fabricated, Aluminum, 3.5 in. Tall, Baffled, Black, 1.25 in. Breather Holes, Hardware, Chevy, 396-454ci, Pair

Part Number: SNE-890004B

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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ROCKER ARMS, 6061 BILLET ALUM, CHEV 262-400 1955-86, 1.6 x 3/8", self-align

Part Number: PQX-0335005

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Oil Pan Baffles, Replacement, LS Swap, Off-Road Oil Pan, Aluminum, Satin Finish, for Holley 302-4, 4BK, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-302-33

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Rocker Arms, Pro Series, Stud Mount, Full Roller, Aluminum, Blue Anodized, 1.7 Ratio, Fits 3/8 in. Stud, Ford, Small Block Windsor, Set of 16

Part Number: PQX-0330204

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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