CHEVROLET Chevy small block Gen I Engine Blocks & Accessories

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

Part Number: DRT-31161111

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/7/2025

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Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 400 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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• $100.00 Summit Bucks

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31161211

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/7/2025

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Freeze Plugs, Brass, Chevy, Small Block, Kit

Part Number: SUM-G1581

4.91 out of 5 stars ( 46 )

Estimated Ship Date: Monday 7/7/2025

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150204

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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• $100.00 Summit Bucks

Engine Block, Cast Iron, 400 Mains, 4.115 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162211

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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• $100.00 Summit Bucks

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 ( 36 )

Estimated Ship Date: Monday 7/7/2025

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

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• $100.00 Summit Bucks

Freeze Plugs, Brass, Chevy, Small Block, Kit

Part Number: MEL-MPE-100BR

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 7/7/2025

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

Part Number: ARP-134-5601

4.96 out of 5 stars ( 25 )

Estimated Ship Date: Monday 7/7/2025

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

Part Number: ARP-134-5401

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Monday 7/7/2025

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 ( 35 )

Estimated Ship Date: Monday 7/7/2025

Main Cap Fasteners, Main Cap Girdle Stud Kits, 6-bolt, Stud Style, 12-Point Head, Nuts, Chevy LS, Kit

Part Number: PQX-1000098

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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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: Monday 7/7/2025

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

Part Number: ARP-234-5501

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

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Bellhousing Dowel Pins, 0.625 in. Diameter, 1.875 in. Length, Chevrolet, Pair

Part Number: ICB-551334

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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: Monday 7/7/2025

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Main Caps, Billet Steel, Chevy 305/350, 1967-1986, 4 Bolt Replacement Style, Sold as a Set of 3

Part Number: PQX-1735001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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

Part Number: DUR-AD-679

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/7/2025

Freeze Plugs, Steel, Chevrolet, Small Block, Kit

Part Number: MEL-MPE-100R

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/7/2025

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: Monday 7/7/2025

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

Part Number: ARP-134-5002

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/7/2025