Engine Blocks & Parts

Engine Block, Cast Iron, 4-Bolt Mains, 4.360 in. Diameter Bore, 2-Piece Rear Main Seal, Siamese Bore, Ford, Big Block, Each

Part Number: FMS-M-6010-A460X

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Engine Block, Bare, Cast Iron, SHP , 4.125 in. Bore, 4-Bolt Main Style, 2-Piece Rear Main Seal, Nodular Main Caps, Small Block, Chevy, Each

Part Number: DRT-31162211-B

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Engine block coolant and oil plug kit, Threaded Engine Block Oil/Coolant passage Plugs, Brass/Steel, Oil Plug and barbell, Chevy, GM LS GenIII/IV, Kit

Part Number: SUM-G1584

4.74 out of 5 stars ( 31 )

Estimated Ship Date: Today

Engine, Bare Block, RHS Racing Style, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, 6-Bolt Mains, A-357 Aluminum, Requires Honing, Chevy, LS, Each

Part Number: EDL-54903U

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Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each

Part Number: SUM-774001

4.33 out of 5 stars ( 12 )

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Engine Block, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19212192

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Main Bolts, High Performance Series, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5202

4.97 out of 5 stars ( 38 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: MEL-MPE-100BR

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each

Part Number: EDL-54901U

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Main Studs, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5601

4.96 out of 5 stars ( 27 )

Estimated Ship Date: Today

Main Studs, 6-Bolt Main, Ford, 5.0L, Modular, Coyote Engine, Kit

Part Number: ARP-156-5803

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Main Studs, 4-Bolt Main, Chevy, Big Block, Kit

Part Number: ARP-135-5601

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 400MAIN, CAST MC

Part Number: MLL-BPP12110345

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Oil Galley Plug, Aluminum, Chevy, LS, Each

Part Number: MOR-25030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bolts, High Performance Series, 2-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5001

4.86 out of 5 stars ( 36 )

Estimated Ship Date: Today

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Iron, GM LS-Series, Each

Part Number: DRT-31867211

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 350MAIN, CAST MC

Part Number: MLL-BPP12110343

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Cylinder Sleeve, Flanged Style, Cast Iron, 4.030 Bore I.D., 0.095 in. Wall Thickness, 5.680 in. Sleeve Length, Each

Part Number: MEL-CSL359F

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Engine Block, Bare, Cast Iron, SHP, 4.125 in. Bore, 9.025 in. Deck Height, 4-Bolt Main Style, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31161211-B

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Estimated Ship Date: Feb 22, 2027 if ordered today

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Oil Galley Barbell Plug, OEM-Style, Billet Aluminum, O-Rings, Chevy, LS, Each

Part Number: DER-35603

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bolts, High Performance Series, 2-Bolt Main, Ford, 289-302, Small Block, Kit

Part Number: ARP-154-5001

4.91 out of 5 stars ( 35 )

Estimated Ship Date: Today

Main Studs, 2-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5401

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Today

502 block

Part Number: NAL-19434240

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2026 if ordered today

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Main Bolts, Outer Bolts, With Windage Tray, Chevy, LS, Each

Part Number: NAL-12560273

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Freeze Plugs, Brass, Chevy, Big Block, 396-454, Kit

Part Number: SUM-G1582

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Today