CHEVROLET Engine Blocks & Accessories

Main Bolts, Side Bolts Only, 6-bolt Style, Hex, Chevy, LS, Set of 10

Part Number: SUM-910229-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Chevy, Big Block, Kit

Part Number: MEL-MPE-102BR

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Bellhousing Dowel Pins, Adjustable, .621 in. Diameter, .007 in. Offset, Buick, Chevy/Oldsmobile, Pontiac, Pair

Part Number: LAK-15907

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Oil Galley Plug, Nylon, White, Chevrolet, Small Block Gen III/IV, LS, Each

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Cylinder Head Dowel Pin, Solid, Chevy GM, LS/LSX, Gen III/IV For use with standard or 1/2 in. head studs. Set of 4

Part Number: SUM-910233

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: AAF-ALL26126

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: AAF-ALL26125

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.245 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091100

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Bellhousing Dowel Pins, .625 in. Diameter, .014 in. Offset, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: SUM-192006

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Main Caps, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3

Part Number: HRS-H350R

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Single 90* 1/8 in. NPT Ports, Chevy, LS, Each

Part Number: SUM-121028

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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

Part Number: ARP-234-5610

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091101

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolts, Chevy, Small Block, Set of 3

Part Number: HRS-H350S

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Dowel Pin, Flywheel Locating, Chevy V8, Steel, Each

Part Number: DUR-AD-679

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Bellhousing Dowel Pins, 0.625 in. Diameter, 2.000 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: SUM-192000

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Rear Main Seal Housing, Billet Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: ICB-551727

Not Yet Reviewed

Estimated Ship Date: Today

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Bellhousing Dowel Pins, .625 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: MOR-37932

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Chevy, GMC, Big Block, Kit

Part Number: MEL-MPE-275BR

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

Main Studs, 4-Bolt, Chevy, 454, Dart Big M Block, Kit

Part Number: ARP-235-5603

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Freeze Plug Kit, Brass, Chevy, Small Block, 283-350, Kit

Part Number: MIL-34031

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Bellhousing Dowel Pins, .625 in. Diameter, .014 in. Offset, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: MOR-37936

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

Cylinder Head Dowel Pins, Chevy, GMC, Big Block, Set of 10

Part Number: PIO-PG-233-10

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today