1966 CHEVROLET Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Philadelphia Racing Products AN Block Adapters PRP-6852

Philadelphia Racing Products AN Block Adapters PRP-6852

AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6852

Not Yet Reviewed

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Melling Engine Expansion Plug Kits MPE-102R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

Not Yet Reviewed

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Summit Racing™ Main Stud Kits SUM-910205

Main Studs, 2-Bolt Main, 180,000 psi Yield Strength, Washers, Hex Nuts, Chevy, Small Block, Kit

Part Number: SUM-910205

2.67 out of 5 stars ( 3 )

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Moroso Deck Plug Kits 37800

Deck Plug Kit, Steel, Black Oxide, 3/4 in. NPT, Chevy, Small Block/90 Degree V6, Set of 6

Part Number: MOR-37800

5.0 out of 5 stars ( 1 )

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Moroso Offset Cylinder Head Dowels 37920

Cylinder Head Dowels, Offset, .015 in. Chevy, Small Block, Chrysler, Small Block, Set of 4

Part Number: MOR-37920

Not Yet Reviewed

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Pioneer Performance Freeze Plugs PE-104-B

Freeze Plug Kit, Brass, Chevy, 153, L4, 194, 230, 250, 292 L6, Kit

Part Number: PIO-PE-104-B

4.0 out of 5 stars ( 5 )

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Dorman Expansion Plugs 555-081

Freeze Plugs, Steel, 2.219 in. Closed End Diameter, 2.226 in. Open End Diameter, Chevy, GMC, Set of 10

Part Number: RNB-555-081

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Moroso Offset Cylinder Head Dowels 37930

Cylinder Head Dowels, Offset, .030 in. Chevy, Small Block, Chrysler, Small Block, Set of 4

Part Number: MOR-37930

5.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs for 1965-1974 CORVETTE - 555-071

Freeze Plugs, Steel, 2.219 in. Diameter, 0.300 in. Height, Set of 10

Part Number: RNB-555-071

Not Yet Reviewed

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Melling Engine Expansion Plug Kits MPE-104BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

Not Yet Reviewed

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PRW Billet Steel Main Caps 1745402

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

Part Number: PQX-1745402

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Dart Main Bolts 66722687

Main Cap Fastener, Bolt, Little M Sportsman, Chevy, Each

Part Number: DRT-66722687

Not Yet Reviewed

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Engine Works Freeze Plug Sets 60154

STEEL CAM PLUGS BB CHEVY 366-454 CAM

Part Number: EW1-60154

Not Yet Reviewed

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Pioneer Cylinder Head Dowel Pins PG-653-25

Cylinder Head Dowel Pins, 0.250 in. O.D., Chevrolet, Small Block, Set of 25

Part Number: PIO-PG-653-25

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

PRW Main Cap Stud Kits 1045442

Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 4-Bolt Main, Chevy, Big Block, Kit

Part Number: PQX-1045442

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Dart Freeze Plugs 32540000

Freeze Plug, Steel, Chevy, Dart SHP, Each

Part Number: DRT-32540000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pioneer Performance Freeze Plugs PE-100-R

Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 51 )

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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

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK1B

Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GM/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1B

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK1

Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Engine Works Bellhousing Dowel Pins 453658

Bellhousing Dowel Pins, 1.190 in. Length, 0.620 in. Diameter, SBC, BBC, Buick, Chevy, Oldsmobile, Pontiac, GMC, Pair

Part Number: EW1-453658

Not Yet Reviewed

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Engine Works Cylinder Head Dowel Pins 12233-20

Cylinder Head Dowel Pins, Chevrolet, Big Block, Set of 20

Part Number: EW1-12233-20

Not Yet Reviewed

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Milodon Main Stud Kits 81135

Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81135

Not Yet Reviewed

Estimated Ship Date: Jul 10, 2026 if ordered today

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Estimated Ship Date: Jul 10, 2026 if ordered today

PRW Main Cap Stud Kits 1045422

Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: PQX-1045422

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today