Engine Blocks & Parts

Rear Main Seal Cover Kit

Part Number: RNB-635-786

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.375 in. Bore I.D., 0.094 in. Wall Thickness, 7.500 in. Length, Each

Part Number: MEL-CSL1161

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Estimated Ship Date: Today

Freeze Plug - Each - brass

Part Number: MEL-MPC-224B

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Estimated Ship Date: Today

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

Part Number: MEL-MPE-114R

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Estimated Ship Date: Today

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: Today

Cylinder Sleeve, Cast Iron, 3.313 in. Bore I.D., 0.125 in. Wall Thickness, 9.250 in. Length, Each

Part Number: MEL-CSL508

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 3.875 in. Bore I.D., 0.063 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL165X

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Estimated Ship Date: Today

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 421-455 cid, V8, Dowel Pinned, Drill Guide, Large Journal, Pontiac, Set of 3

Part Number: PQX-1745501

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Freeze Plugs, Steel, 1 5/8 in. Diameter, Set of 10

Part Number: RNB-550-023

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 3.875 in. Bore I.D., 0.094 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL165

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Estimated Ship Date: Today

Freeze Plug - Each - steel

Part Number: MEL-MPC-52

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Cylinder Sleeve, Cast Iron, 2.375 in. Bore I.D., 0.094 in. Wall Thickness, 6.500 in. Length, Each

Part Number: MEL-CSL456

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 2.750 in. Bore I.D., 0.094 in. Wall Thickness, 7.500 in. Length, Each

Part Number: MEL-CSL401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 2.953 in. Bore I.D., 0.125 in. Wall Thickness, 4.875 in. Length, Each

Part Number: MEL-CSL706

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Freeze Plugs, Brass, AMC, International, Jeep, Set of 7

Part Number: RNB-567-017

4.0 out of 5 stars ( 1 )

Shallow Plug - Steel - Each

Part Number: MEL-MPS-135

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Estimated Ship Date: Today

Engine Block, 6.0L, LQ4/LQ9, Cast Iron, 9.240 in Deck Height, 4.002 in. Cylinder Bore, Chevy, Each

Part Number: NAL-12733807

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Estimated Ship Date: Jan 21, 2026 if ordered today

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AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6862

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Engine Expansion Plug, Rubber, for 1.750 in. To 1.875 in. Diameter Holes, Each

Part Number: RNB-02605

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Tomorrow if ordered today

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Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350R-1

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Estimated Ship Date: Today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Bore, 9.200 in. Deck Height, Ford, Boss 351, Each

Part Number: FMS-6010B35192BB

5.0 out of 5 stars ( 2 )

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Main Cap, Rear, Merlin III/IV, 4-Bolt, 454 Mains, Billet Steel, Chevrolet, Big Block, Each

Part Number: WRL-WPI703370R

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Sleeve, Cast Iron, 4.320 in. Bore I.D., 0.125 in. Wall Thickness, 6.750 in. Length, Each

Part Number: MEL-CSL221

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Estimated Ship Date: Nov 24, 2025 if ordered today

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