1991 Engines & Components

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 )

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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

4.57 out of 5 stars ( 7 )

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Oil Pans, Gen III Hemi, RetroFit, Wet Sump, Rear, 6.2 Quart, Dipstick Compatible, Cast Aluminum, Natural, Chrysler, Dodge, GMC, Plymouth, 376ci,

Part Number: HLY-302-63

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Valve Covers, M/T Series, Perimeter Bolt, Tall, Finned, Cast Aluminum, Polished Finish, Chevy, 396ci, 402ci, 427ci, 454ci, Pair

Part Number: HLY-241-151

5.0 out of 5 stars ( 1 )

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Harmonic Balancer, Powerforce Series, Internal Balance, Nodular Iron, Black, Ford, 429, 460, Each

Part Number: PFS-80008

4.43 out of 5 stars ( 7 )

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Harmonic Balancer, Powerforce Series, Internal Balance, Nodular Iron, Black, Chrysler, Dodge, Plymouth, 318, 340, Each

Part Number: PFS-80012

4.27 out of 5 stars ( 26 )

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Pistons, Forged, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9920-030

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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 )

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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

5.0 out of 5 stars ( 1 )

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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

4.29 out of 5 stars ( 7 )

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Harmonic Balancer, Powerforce Series, Internal Balance, Steel, Black, GM, Chevy, Small Block, Each

Part Number: PFS-80010

4.55 out of 5 stars ( 11 )

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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 )

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Rocker Arms, Pro Series, Stud Mount, Full Roller, Aluminum, Blue Anodized, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, 305, 350, Set of 16

Part Number: PQX-0335018

1.0 out of 5 stars ( 1 )

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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 )

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Valve Covers, Vintage Series, Centerbolt, Finned, Holley Logo, Cast Aluminum, Black Satin Finish, Baffled, Chevy, 5.0L, 5.7L, Pair

Part Number: HLY-241-247

3.75 out of 5 stars ( 8 )

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Timing Cover, 1-Piece, Steel, Chrome, Chevy, Small Block, Kit

Part Number: MRG-4590

3.67 out of 5 stars ( 3 )

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Valve Covers, Original-Style, Perimeter, Steel, Blue, Powered by Ford Top, Ford, Small Block Windsor, Pair

Part Number: SDK-C8OZ6A582BL

4.08 out of 5 stars ( 12 )

Estimated Ship Date: Today

Pistons, Forged, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9920-STD

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Forged, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC782KTD-STD

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Estimated Ship Date: May 11, 2026 if ordered today

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Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

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Piston and Ring Kits, FHR, Forged 4032 Aluminum, 4.500 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC9984KTD034

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Oil Pan, Engine Swap, Aluminum, Natural, 6.1 Quarts, Retrofit, Drag Race, Chevy, 6.2L, LT1, Each

Part Number: HLY-302-22

4.67 out of 5 stars ( 3 )

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Harmonic Balancer Bolt, Steel, Gold Iridite, Hex, Chevy, Small Block, Each

Part Number: MRG-945G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Pistons, Forged, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9952-030

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Piston and Ring Kit, Forged, Dome, 4.470 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC807KTD-004

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Estimated Ship Date: May 11, 2026 if ordered today

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