1966 Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Dart Main Bolts 66722687

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

Part Number: DRT-66722687

Not Yet Reviewed

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Dorman Expansion Plugs 557-017

Freeze Plugs, Steel, AMC, Jeep, International, Set of 7

Part Number: RNB-557-017

Not Yet Reviewed

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Silver Sport Transmission Cylinder Head Dowel Pins BHJ-01007

Offset Dowel Pins AMC Jeep .007

Part Number: IST-BHJ-01007

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Dorman Expansion Plugs 550-007

Engine Expansion Plugs, Steel, 0.750 in. Diameter, 0.750 in. Height, International, Set of 10

Part Number: RNB-550-007

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Dorman Expansion Plugs 02663

Engine Expansion Plugs, Pipe Plugs, Ford, Kit

Part Number: RNB-02663

4.5 out of 5 stars ( 2 )

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Trick Flow® Deck Plug Kits TFS-51600750

Deck Plugs, Steel, 3/4 in. NPT, Trick Flow®, Ford Heads, Pair

Part Number: TFS-51600750

Not Yet Reviewed

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Pioneer Performance Freeze Plugs PE-108-R

Freeze Plugs, Steel, Ford, 289, 302, 351W, Kit

Part Number: PIO-PE108R

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Dorman Expansion Plugs 567-011

Expansion Plugs, Brass, Ford, Mercury, Kit

Part Number: RNB-567-011

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silver Sport Transmission Cylinder Head Dowel Pins BHJ-01014

Offset Dowel Pins AMC Jeep .014

Part Number: IST-BHJ-01014

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-122-BR

Freeze Plug Kit, Brass, International, Kit

Part Number: PIO-PE-122-BR

Not Yet Reviewed

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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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-107R

Melling Engine Expansion Plug Kits MPE-107R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-107R

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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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Melling Engine Expansion Plug Kits MPE-117R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-117R

5.0 out of 5 stars ( 1 )

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Dura-Bond Cylinder Head Dowels AD-0112

Dowel Pins, Cylinder Heads, Stepped, AMC, Each

Part Number: DUR-AD-0112

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Philadelphia Racing Products AN Block Adapters PRP-6861

AN Block Adapters, -16 AN Adapters, Clear Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6861

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Philadelphia Racing Products AN Block Adapters PRP-6863

AN Block Adapters, -16 AN Adapters, Black Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6863

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

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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Dorman Expansion Plugs 565-023

Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10

Part Number: RNB-565-023

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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PRW Billet Steel Main Girdles 9030201

MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners

Part Number: PQX-9030201

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Milodon Main Stud Kits 81223

Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit

Part Number: MIL-81223

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Cylinder Sleeves 590297

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 7.000 in. Length, Each

Part Number: MEL-590297

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PRW Main Girdle Stud Kits 1000211

OLDS 350-403, Stud Kit, Main Girdle, Includes 8ea, 1/2" Longer Studs, 7/16"-14/20 x 4.50" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000211

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today