1981 Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Main Stud Kits SUM-910205

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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PRW Billet Steel Main Caps 1735101

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

Part Number: PQX-1735101

Not Yet Reviewed

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Melling Engine Expansion Plug Kits MPE-124BR

Engine Expansion Plugs, Brass, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: MEL-MPE-124BR

Not Yet Reviewed

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PRW Billet Steel Main Girdles 9046001

MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners

Part Number: PQX-9046001

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Not Yet Reviewed

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PRW Billet Steel Main Caps 1730201

Main Caps, Billet Steel, 3-Center, Straight Bolts, 2-Bolt, Ford, Small Block, Set of 3

Part Number: PQX-1730201

1.0 out of 5 stars ( 1 )

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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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COMP Cams Engine Finishing Kits 238

Camshaft Bolts, Engine Finishing, Cylinder Head Dowels, Timing Cover Dowel Pins, Pontiac V8, Kit

Part Number: CCA-238

4.75 out of 5 stars ( 4 )

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Proform Freeze Plug Kits 66557

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

Part Number: PRO-66557

Not Yet Reviewed

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Engine Works Engine Finishing Kits 46503

Engine Finishing, Head Dowels, Cam Bolt, Crank Key, Oil Pump Dowel, Fuel Pump Eccentric, Small Ford, Kit

Part Number: EW1-46503

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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-107BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-107BR

Not Yet Reviewed

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PRW Main Cap Stud Kits 1000215

Main Cap Fasteners, Main Cap Girdle Stud Kits, 2-bolt, Stud Style, Hex Head, Nuts, Washers, Ford, Big Block FE, Big Block 385 Series, Kit

Part Number: PQX-1000215

3.0 out of 5 stars ( 2 )

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Dorman Expansion Plugs 555-055

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

Part Number: RNB-555-055

Not Yet Reviewed

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Milodon Main Stud Kits 81186

Main Studs, 2-Bolt, Chrysler, 318-360 with Windage Tray, Kit

Part Number: MIL-81186

2.0 out of 5 stars ( 2 )

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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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PRW Billet Steel Main Caps 1735003

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

Part Number: PQX-1735003

Not Yet Reviewed

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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

Not Yet Reviewed

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Melling Freeze Plugs MPE-108R

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

Part Number: MEL-MPE-108R

4.0 out of 5 stars ( 1 )

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World Products Merlin IV Engine Blocks 095000

Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

PRW Billet Steel Main Girdles 9045401

Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each

Part Number: PQX-9045401

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-51500700-HK

Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,

Part Number: TFS-51500700-HK

Not Yet Reviewed

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Dorman Expansion Plugs 555-025

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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