Engine Blocks & Parts

Main Studs, 2-Bolt Main, Buick, 3.8L/231, Kit

Part Number: ARP-123-5401

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Today

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Main Cap Girdle, Steel, Black Oxide, Ford, 429/460, Kit

Part Number: CTR-21-066

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: PQX-1735002

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Expansion or Freeze Plug Kit, Brass, 1.625 in. Or 1-5/8 in., Unviversal, Set of 10

Part Number: SUM-G1587

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Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.125 in. Wall Thickness, 6.250 in. Length, Each

Part Number: MEL-CSL261HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Freeze Plug Kit, Brass, Oldsmobile, V8, Kit

Part Number: MIL-34045

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Hardware Kits, Brass Freeze Plugs, Coated Camshaft Bearings, Dowel Pins, Chevrolet, LS, Kit

Part Number: DRT-32000016

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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: Today

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Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each

Part Number: HPE-13ZB

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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• Freight Charge
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Bellhousing Dowel Pins, .625 in. Diameter, 2.0 in. Length, Straight, GM, Pair

Part Number: TCI-930055

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Engine Hardware Kits, Engine Hardware Finishing Kits, Cylinder Head Dowels, Cam Thrust Plate Bolts, Woodruff Keys, Chevrolet, Small Block LS, Kit

Part Number: DUR-FKC-7B

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Estimated Ship Date: Today

Freeze Plug - Each - brass

Part Number: MEL-MPC-41B

5.0 out of 5 stars ( 2 )

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

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Shallow Plug - Brass - Each

Part Number: MEL-MPS-135B

Not Yet Reviewed

Estimated Ship Date: Today

Main Studs, Chromoly, 2-Bolt Main, Ford, 4.6L, Kit

Part Number: ARP-156-5403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Head Dowel Pin, Ford, 302, 351W, Each

Part Number: DRT-32902400

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

Main Bolts, High Performance Series, 4-Bolt Main, Ford, 351C, Kit

Part Number: ARP-154-5204

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Hardware, Dowels, Keys, Cam Bolts/Washers, Ford, 460, Kit

Part Number: DUR-FKF-3A

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

Main Bolts, High Performance Series, 2-Bolt Main, Oldsmobile, 455, Kit

Part Number: ARP-185-5001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Head Dowel Pins, Chevy, Small Block, Set of 50

Part Number: PIO-PG-225-50

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Dowel Pin, Bellhousing Alignment, Chevy, Pontiac, Each

Part Number: DUR-AD-009-P

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kit Brass Big Block Chevy

Part Number: MRG-6482

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Pin, 0.3094 in. O.D., 0.563 in. Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-585927

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today