Engine Blocks & Accessories Engines & Components

Brodix Cylinder Heads Cylinder Sleeves 8BSL44-324

Cylinder Sleeve, 4.590 in. Bore, 4.711 in. OD, Steel, Chevy Big Block, Tall Deck, Each

Part Number: BRO-8BSL44-324

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ARP Main Stud Kits 208-5401

ARP Main Stud Kits 208-5401

Main Studs, 2-Bolt Main, for use on Honda®, 2.2, 2.3L, Kit

Part Number: ARP-208-5401

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Melling Cylinder Sleeves CSL576

Cylinder Sleeve, Cast Iron, 6.250 in. Bore I.D., 0.125 in. Wall Thickness, 17.500 in. Length, Each

Part Number: MEL-CSL576

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Top Street Performance Trussed-Style Engine Valley Covers 81043BK

Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81043BK

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

PRW Billet Steel Main Caps 1745402

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

ARP Main Stud Kits 204-5403

Main Studs, 2-Bolt Main, Volkswagen, 2.8L, V6, Kit

Part Number: ARP-204-5403

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PRW Main Cap Girdles 0944800

Main Cap Girdle, Steel, Black Oxide, Hardware Included, Ford, Kit

Part Number: PQX-0944800

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81223

Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit

Part Number: MIL-81223

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

S&S Cycle 97 in. Big Bore Kits 910-0205

Top End Engine Kit, 97 in. Big Bore, Black Wrinkle Finish, Forged Pistons, Gaskets, Harley-Davidson®, Kit

Part Number: SSY-910-0205

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Melling Cylinder Sleeves CSL568

Cylinder Sleeve, Cast Iron, 5.250 in. Bore I.D., 0.125 in. Wall Thickness, 14.250 in. Length, Each

Part Number: MEL-CSL568

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PRW Billet Steel Main Girdles 9030201

MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners

Part Number: PQX-9030201

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Melling Cylinder Sleeves CSL579

Cylinder Sleeve, Cast Iron, 7.000 in. Bore I.D., 0.125 in. Wall Thickness, 17.000 in. Length, Each

Part Number: MEL-CSL579

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Moroso Rear Main Seal Adapter Kits 38415

Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Each

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

PRW Billet Steel Main Girdles 9046000

MAIN GIRDLE, BILLET STEEL, FORD 460, incl PRW fasteners & hdwe

Part Number: PQX-9046000

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Allstar Performance Lifter Valley Plates ALL90106

Billet Cover, LS1 Billet Valley Cover

Part Number: AAF-ALL90106

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

PRW Billet Steel Main Caps 1735002

Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1735002

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Milodon Main Caps 11053

Main Cap, Ductile Iron, Front, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: MIL-11053

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 10, 2026 if ordered today

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Estimated Ship Date: Jul 10, 2026 if ordered today

Top Street Performance Main Cap Fasteners 635-131950

PRO SERIES MAIN STUD KIT - FORD COYOTE 5.0L, 12-PT

Part Number: TSN-635-131950

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

PRW Main Cap Stud Kits for 1998-2008 RAM 2500, RAM 3500 - 1000313

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 24V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000313

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

PRW Billet Steel Main Girdles 9046001

MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners

Part Number: PQX-9046001

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Melling Cylinder Sleeves CSL578

Cylinder Sleeve, Cast Iron, 6.750 in. Bore I.D., 0.125 in. Wall Thickness, 17.000 in. Length, Each

Part Number: MEL-CSL578

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

PRW Main Cap Stud Kits 1045442

Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 4-Bolt Main, Chevy, Big Block, Kit

Part Number: PQX-1045442

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Melling Cylinder Sleeves CSL432A

Cylinder Sleeve, Cast Iron, 4.188 in. Bore I.D., 0.094 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL432A

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Melling Cylinder Sleeves CSL569

Cylinder Sleeve, Cast Iron, 5.375 in. Bore I.D., 0.125 in. Wall Thickness, 14.250 in. Length, Each

Part Number: MEL-CSL569

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Melling Cylinder Sleeves CSL155

Cylinder Sleeve, Cast Iron, 3.400 in. Bore I.D., 0.094 in. Wall Thickness, 7.063 in. Length, Each

Part Number: MEL-CSL155

Not Yet Reviewed

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