Engine Blocks & Parts

MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks

Part Number: RHS-549100-1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Engine Expansion Plugs, Steel, 1.953 in. Open End Diameter, Buick, 4.3L L8, 5.2L L8, Set of 10

Part Number: RNB-555-040

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Engine Block, Aluminum, 4-Bolt Mains, 4.250 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31264344

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Expansion Plug, Steel, 0.500 in. O.D., 0.250 in. Deep, Each

Part Number: MEL-MPC-226

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Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each

Part Number: SUM-01-8576

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Mockup Bock, Cummins 5.9 12V Diesel, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774005

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Plug Fittings, Rear Block Plug, Bolt-on, Steel Plug, Zinc Finish, Bracket, O-ring Seal, Internal Allen Retaining Bolt, Ford, 7.3L, Godzilla, Kit

Part Number: HLY-97-426

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Estimated Ship Date: Tomorrow

Engine Block, Aluminum, 4-Bolt Cleveland Mains, 4.115 in. Dia. Bore, 1-Piece Rear Main Seal, Ford, 5.8L, Each

Part Number: FMS-M-6010-Z351

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Aug 11, 2025 if ordered today

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Main Cap Fasteners, Main Cap Girdle Stud Kits, 2-bolt, Stud Style, Hex Head, Nuts, Washers, Ford, Big Block FE, Big Block 385 Series, Kit

Part Number: PQX-1000215

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 18, 2025 if ordered today

Deck Plug Kit, Steel, Black Oxide, 3/4 in. NPT, Chevy, Small Block/90 Degree V6, Set of 6

Part Number: MOR-37800

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Cylinder Sleeve, Cast Iron, 3.000 in. Bore I.D., 0.094 in. Wall Thickness, 6.375 in. Length, Each

Part Number: MEL-CSL150

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Estimated Ship Date: Tomorrow

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

Part Number: ARP-204-5403

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Oil Cooler Block-Off Plate, Aluminum, Black Anodized, 1/8 in. NPT Port, Chevy, LS, Each

Part Number: PGP-PRP-4526

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Lancia Delta 2.0L 16V main stud kit

Part Number: ARP-175-5401

Not Yet Reviewed

Estimated Ship Date: Jul 18, 2025 if ordered today

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Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each

Part Number: WRL-703370C

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Estimated Ship Date: Aug 6, 2025 if ordered today

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Freeze Plug - Each - steel

Part Number: MEL-MPC-144

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Estimated Ship Date: Tomorrow

Engine Block, Cast Iron, 4-Bolt Mains, 3.927 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622211

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Estimated Ship Date: Tomorrow

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Cylinder Sleeves, CYLINDER SLEEVE (3.750X 3.999X 8.940-4.085)

Part Number: MEL-CSL333F

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Estimated Ship Date: Aug 8, 2025 if ordered today

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SBF Ir/Blk PRO Ford 9.5x4.125"xcleve"

Part Number: DRT-31395236

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Freeze Plugs, Steel, Chrysler, Dodge, Plymouth, Big Block, Kit

Part Number: MEL-MPE-114R

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Estimated Ship Date: Tomorrow

Main Studs, Chromoly, Hex Head, 4-Bolt, Chevy, 350, 400, Dart Little M, Splayed Bolts, Kit

Part Number: ARP-234-5801

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Rear Main Seal Housing, Engine Crankshaft Seal Housing, Rear Main Seal, V6, One-Piece, Each

Part Number: ADO-12595923

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Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.063 in. Wall Thickness, 6.750 in. Length, Each

Part Number: MEL-CSL130X

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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each

Part Number: NAL-19417351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Steel Cup Expansion Plug 15/16 In., Height 0.380

Part Number: RNB-555-016

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Estimated Ship Date: Tomorrow