Engine Blocks & Parts | Summit Racing

Dorman Expansion Plugs 555-027

Engine Expansion Plug, Steel, 1.5 in. Width, 0.570 in. Height, Buick, Chevy, Fiat, GMC, Set of 10

Part Number: RNB-555-027

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Milodon Main Caps 11200

Milodon Main Caps 11200

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

Part Number: MIL-11200

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Dorman Expansion Plugs 565-030

Engine Expansion Plugs, Brass, 1 5/8 in. O.D., 0.519 in. Height, Set of 10

Part Number: RNB-565-030

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Dorman Expansion Plugs 555-120

Expansion Plugs, Steel, Diameter 0.666 in., Ford, Set of 10

Part Number: RNB-555-120

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Dorman Expansion Plugs 555-055

Freeze Plugs, Steel, 2.50 in. Diameter, Set of 10

Part Number: RNB-555-055

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PRW Billet Steel Main Caps 1735003

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

Part Number: PQX-1735003

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Dorman Expansion Plugs 570-008

Expansion Plugs, Rubber, Diameter 1.500 in., GMC, Pontiac, Set of 5

Part Number: RNB-570-008

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Milodon Main Caps 11165

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

Part Number: MIL-11165

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Estimated Ship Date: Jul 29, 2026 if ordered today

Pioneer Performance Freeze Plugs EPC-18-B-10

Engine Expansion Plugs, Brass, 0.435 in. Depth, 1.250 in. O.D., Set of 10

Part Number: PIO-EPC-18-B-10

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Dorman Expansion Plugs 555-023

Engine Expansion Plugs, Steel, 1.250 in. O.D., 0.400 in. Depth, Set of 10

Part Number: RNB-555-023

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Moroso Offset Cylinder Head Dowels 37900

Cylinder Head Dowel Pins, Offset 0.030 in., Chevy Big Block, Chrysler Big Block, Set of 4

Part Number: MOR-37900

3.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 555-034

Engine Expansion Plugs, Steel, Chevy, GMC, Set of 10

Part Number: RNB-555-034

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Dorman Expansion Plugs 555-053

Expansion Plugs, Steel, 2.250 in. Diameter, Set of 10

Part Number: RNB-555-053

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Dorman Expansion Plugs 555-049

Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

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PRW Billet Steel Main Caps 1740002

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

Part Number: PQX-1740002

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Dorman Expansion Plugs 550-034

Engine Expansion Plugs, Steel, 3.00 in. Diameter, Chevy, GMC, Set of 10

Part Number: RNB-550-034

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

PRW Billet Steel Main Caps 1735002

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

Part Number: PQX-1735002

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Engine Works Cylinder Head Dowel Pins 12233

Cylinder Head Dowel Pins, Chevrolet, Big Block, Set of 4

Part Number: EW1-12233

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Milodon Main Caps 11350

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 392 Hemi, Set

Part Number: MIL-11350

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 28, 2026 if ordered today

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Estimated Ship Date: Jul 28, 2026 if ordered today

Milodon Main Caps 11520

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Pontiac, 421, 428, 455, Set

Part Number: MIL-11520

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Estimated Ship Date: Jul 29, 2026 if ordered today

Dorman Expansion Plugs 570-012

Engine Expansion Plugs, Rubber/Steel, Set of 5

Part Number: RNB-570-012

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Pioneer Cylinder Head Dowel Pins PF-485-100

Cylinder Head Dowel Pins, Ford, Lincoln, Mercury, Set of 100

Part Number: PIO-PF-485-100

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Dorman Expansion Plugs 570-010

Expansion Plugs, Rubber, Diameter 1.750 in., Dodge, Set of 5

Part Number: RNB-570-010

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Pioneer Performance Freeze Plugs EPC-169-100

Engine Expansion Plug, Set of 100

Part Number: PIO-EPC-169-100

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

MAHLE Original Cylinder Sleeve Seals S40508

Sleeve Assembly Ring Set - A.C.Trac., DA175 to S/N 119462, D175 S/N 119462-Up, 3-9/16" Bore, 5 Ring

Part Number: MAH-S40508

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