Engine Blocks & Parts | Summit Racing

Howards Cams Extreme Billet Main Caps H350R

Howards Cams Extreme Billet Main Caps H350R

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 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP High Performance Series Main Bolts 135-5002

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

Part Number: ARP-135-5002

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Canton Racing Main Cap Girdles 21-062

Main Cap Girdle, Steel, Black Oxide, Ford, 351W, Kit

Part Number: CTR-21-062

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP Main Stud Kits 258-5601

Main Studs, 6-Bolt Main, ARP2000 Alloy, Black Oxide, Ford, 7.3L, Kit

Part Number: ARP-258-5601

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP Main Stud Kits 156-5401

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

Part Number: ARP-156-5401

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Mopar Replacement Crankshaft Rear Oil Seal Retainers 53021335AE

Rear Seal Retainer, Chrysler, Dodge, Jeep, Ram, Each

Part Number: MOP-53021335AE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP Main Stud Kits 234-5610

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 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Lakewood EZ-Adjustable Bellhousing Dowel Pins 15907

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Melling Oil Galley Barbell Plugs MOGP-100

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

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

World Products Man O'War Bare Blocks 087082

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

Part Number: WRL-087082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

ARP Main Stud Kits 154-5407

Main Studs, 2-Bolt Main, Ford, 302, Kit

Part Number: ARP-154-5407

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

World Products Merlin IV Engine Blocks 091111

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091111

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Melling Freeze Plugs MPE-108BR

Freeze Plugs, Brass, Ford, Lincoln, Mercury, Small Block, Kit

Part Number: MEL-MPE-108BR

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Howards Cams Extreme Billet Main Caps H350RWS

Main Cap, Billet Steel, Rear, Straight Outer Bolts, 2-Bolts, Chevy, Small Block, Each

Part Number: HRS-H350RWS

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP Main Stud Kits 155-5402

Main Studs, 2-Bolt Main, Ford, 429, 460, Kit

Part Number: ARP-155-5402

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ICT Billet Camshaft Thrust Plate Bolts 551950-CAM

LS/LT Camshaft Retainer Thrust Plate Torx Head , Set of 4

Part Number: ICB-551950-CAM

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Moroso Extra Long Bellhousing Dowel Pins 37934

Bellhousing Dowel Pins, .625 in. Diameter, .007 in. Offset, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: MOR-37934

4.41 out of 5 stars ( 32 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Trick Flow® Main Cap Girdles for Ford TFS-53400700

Main Girdle, Bolt, Tool Steel, Ford, 429/460, Kit

Part Number: TFS-53400700

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Moroso Extra Long Bellhousing Dowel Pins 37932

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ LS Cylinder Head Dowel Pins SUM-910233

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Chevy, Pontiac Bellhousing Dowel Pins SUM-192006

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Moroso Extra Long Bellhousing Dowel Pins 37936

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Ford Performance Parts Plug and Dowel Kits M-6026-M50X

Plug and Dowel Kit, Dowels, Drain Plugs, Cup Plugs, Cast Ford Blocks, 5.0L, Kit

Part Number: FMS-M-6026-M50X

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Melling Freeze Plugs MPE-613BR

Freeze Plugs, Steel, Dodge, Plymouth, Chrysler, Kit

Part Number: MEL-MPE-613BR

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Milodon Freeze Plug Kits 34031

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

Part Number: MIL-34031

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026