Engine Blocks & Parts | Summit Racing

Howards Cams Extreme Billet Main Caps H350C

Howards Cams Extreme Billet Main Caps H350C

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

Part Number: HRS-H350C

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Melling Engine Expansion Plug Kits MPE-110BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-110BR

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ARP Main Stud Kits 235-5606

Main Studs, 4-Bolt Main, with Windage Tray, Chevy, Big Block, Kit

Part Number: ARP-235-5606

5.0 out of 5 stars ( 3 )

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Melling Freeze Plugs MPC-75B

Freeze Plug - Each - brass

Part Number: MEL-MPC-75B

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Mr. Gasket Cylinder Head Dowel Pins 4377

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

Part Number: MRG-4377

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Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

Engine Block, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19212192

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223644

Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31223644

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Engine Blocks SUM-150211

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Milodon Main Caps 11050

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Melling Freeze Plugs MEP-14B

Freeze Plug - Each - brass

Part Number: MEL-MEP-14B

5.0 out of 5 stars ( 3 )

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Dorman Expansion Plugs 567-009

Expansion Plugs, Brass, Ford, Lincoln, Mercury, Kit

Part Number: RNB-567-009

3.0 out of 5 stars ( 2 )

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Dura-Bond Engine Hardware Finishing Kits FKC-7B

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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ARP Powersports Main Cap Studs for 2008-2011 RXP X 255 - 168-5501

Main Cap Studs, 8740 Chromoly, Black, Hex Head, Crankcase Housing Position, Sea-Doo, Kit

Part Number: ARP-168-5501

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BTR Engine Coolant Plugs BTRPLUGKIT

Engine Expansion Plugs, Bare Block Plug Kit, Includes Plugs for Large and Small Coolant, Plug Core, and Oil Galley, Chevy, LS Kit

Part Number: BTC-BTRPLUGKIT

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S&S Cycle 110 in. Power Packages 330-0669

ENGINE CYLINDERS, 09-2017 TWINCAM (EXC 17 FLH), POWER PACK 585GE BLK

Part Number: SSY-330-0669

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Brian Tooley Racing Main Cap Fasteners BTR-LSMAINBOLTKIT

BTR STOCK REPLACEMENT LS MAIN BOLT KIT

Part Number: BTC-S0548

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-109BR

Engine Expansion/Freeze Plugs, Brass, with (6) MPC-133B, (1) MPS-175, (3) MPP-554, and (2) MPP-639, Ford, Lincoln, Mercury, V8, Kit

Part Number: MEL-MPE-109BR

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Summit Racing™ Main Stud Kits SUM-910204

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 )

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Proform Freeze Plug Kits 66557

Freeze Plugs, Brass, Chrysler, 318, 360, Kit

Part Number: PRO-66557

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Melling Cylinder Sleeves CSL2276

Cylinder Sleeve, Cast Iron, 4.400 in. Bore I.D., 0.125 in. Wall Thickness, 8.500 in. Length, Each

Part Number: MEL-CSL2276

5.0 out of 5 stars ( 1 )

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Melling Cylinder Sleeves 592274

Cylinder Sleeve, Cast Iron, 4.110 in. Bore I.D., 0.125 in. Wall Thickness, 6.875 in. Length, Each

Part Number: MEL-592274

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PRW Billet Steel Main Girdles 9044800

MAIN GIRDLE, BILLET STEEL, FORD 390FE/448 Stroker, incl PRW fasteners & hardware

Part Number: PQX-9044800

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

PRW Billet Steel Main Girdles 9035000

Main Cap Girdle, 2-Piece Rear Seal, 1045 Billet Steel, with PRW Steel Studs, Spacers, and Nuts, Chevy, 5.7L/350 Only, Each

Part Number: PQX-9035000

1.0 out of 5 stars ( 1 )

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Melling Cylinder Sleeves CSL268

Cylinder Sleeve, Cast Iron, 4.568 in. Bore I.D., 0.125 in. Wall Thickness, 7.625 in. Length, Each

Part Number: MEL-CSL268

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ARP Main Stud Kits 206-5401

Main Studs, 2-Bolt Main, Austin, MG, Morris, Triumph, Kit

Part Number: ARP-206-5401

5.0 out of 5 stars ( 1 )

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Dart SHP Special High Performance Small Block Ford Cast Iron Bare Blocks 31375135

Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each

Part Number: DRT-31375135

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today