CHEVROLET Engine Blocks & Accessories

Main Cap Fastener, Bolt, 6-bolt Main Bolt Style, External Hex Head, Chevrolet, Small Block LS, Each

Part Number: BTC-BTR60272

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Estimated Ship Date: Today

Main Studs, 4-bolt Style, 180,000 psi Yield Strength, Washers, Nuts, Chevy, Small Block, Kit

Part Number: SUM-910204

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Sep 4, 2025 if ordered today

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Rear Motor Cover Bolts, Hex Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1503

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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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Main Studs, 2-Bolt Main, 180,000 psi Yield Strength, Washers, Hex Nuts, Chevy, Small Block, Kit

Part Number: SUM-910205

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Cylinder Head Dowels, Offset, .015 in. Chevy, Small Block, Chrysler, Small Block, Set of 4

Part Number: MOR-37920

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

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Freeze Plugs, Steel, 2.219 in. Diameter, 0.300 in. Height, Set of 10

Part Number: RNB-555-071

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Expansion Plugs, Brass, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

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: Aug 25, 2025 if ordered today

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Cylinder Head Dowel Pins, 0.638 in. Outside Diameter, .503 in. Height, Chevy, Big Block, Pair

Part Number: MRG-4377

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Estimated Ship Date: Today

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: Nov 7, 2025 if ordered today

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

Part Number: PQX-1735002

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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Freeze Plugs, Steel, 0.625 in. Diameter, Height 0.220 in., Chevy, Geo, Set of 10

Part Number: RNB-555-108

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Cylinder Head Dowels, .310 in. Outside Diameter, .562 in. Height, Chevy/Mopar, Pair

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: PQX-1740002

Not Yet Reviewed

Estimated Ship Date: Today

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Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Expansion Plug, Rubber, 1 1/2 in. to 1 5/8 in., Each

Part Number: RNB-02603

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SUM-01-8576

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Estimated Ship Date: Today

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Engine Expansion Plugs, BTR Plug Core, 0.625 in. Diameter, 0.25 in. Thick

Part Number: BTC-BTR27693

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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: Nov 17, 2025 if ordered today

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Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

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Estimated Ship Date: Today