1991 Engine Blocks & Accessories Engines & Components

ARP Main Stud Kits 281-5401

ARP Main Stud Kits 281-5401

Main Studs, 2-Bolt Main, Buick, Oldsmobile, Pontiac, 2.3, 2.4L, Quad 4, Kit

Part Number: ARP-281-5401

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Dorman Expansion Plugs for 1991-1995 C3500HD - 567-001

Expansion Plugs, Brass, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Melling Performance Cylinder Sleeves CSL2274HP

Cylinder Sleeve, Cast Iron, 4.110 in. Bore I.D., 0.125 in. Wall Thickness, 6.875 in. Length, Each

Part Number: MEL-CSL2274HP

Not Yet Reviewed

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Dorman Expansion Plugs 557-009

Expansion Plugs, Steel, Ford, Lincoln, Mercury, Kit

Part Number: RNB-557-009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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PRW Main Girdle Stud Kits 1000202

FORD 302 Main Girdle Stud Kit, 4135 ChromolyPRW Steel Studs, Includes 10ea 1/2" Longer Studs, 7/16"-14/20 x 4.80" Studs, Nuts & Washers.

Part Number: PQX-1000202

Not Yet Reviewed

Estimated Ship Date: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

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: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

Dorman Expansion Plugs for 2001 RANGER - 555-004

Freeze Plugs, Steel, 29/64 in. Diameter, Steel, Shallow Cup, Ford, Jeep, Set of 10

Part Number: RNB-555-004

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ARP Main Stud Kits 141-5401

Main Studs, 2-Bolt Main, Chrysler, Dodge, Plymouth, 1981-94, 2.2L, Kit

Part Number: ARP-141-5401

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Expansion Plugs 555-019

Engine Expansion Plugs, Steel, Chevy, 3.2L, 3.8L, Set of 10

Part Number: RNB-555-019

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Dorman Expansion Plugs for 1978 D400, D450 - 02651

Freeze Plugs, Steel, Chrysler, Dodge, Plymouth, 318, 360, Kit

Part Number: RNB-02651

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ARP Main Stud Kits 235-5602

Main Studs, Hex Head Nuts, 4-Bolt Main, Chevy, 502, Gen V Big Block, Kit

Part Number: ARP-235-5602

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-51500701-HK

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

Part Number: TFS-51500701-HK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ARP Main Stud Kits 204-5404

Main Studs, 2-Bolt Main, Hex Head, Audi, 5-Cylinder, 2.2, 2.3L, Kit

Part Number: ARP-204-5404

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Moroso Rear Main Seal Adapter Kits 38415

Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Each

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dorman Expansion Plugs 555-011

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Pioneer Automotive Main Cap Fasteners 855200

Main Bolt Kit

Part Number: PIO-855200

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

Dorman Expansion Plugs 555-084

Engine Expansion Plugs, Steel, Ford, Mercury, Set of 10

Part Number: RNB-555-084

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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

Estimated Ship Date: Tomorrow

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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: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

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: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

S&S Cycle Evolution Cylinders 910-0267

S&S Cycle 84-99 BT 4-1/8in Bore Cylinder Set For 117in V-Series Engines - Natural

Part Number: SSY-910-0267

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-229BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-229BR

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Dorman Expansion Plugs 565-017

Freeze Plugs, Brass, 1.000 in. Diameter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Jaguar, Set of 10

Part Number: RNB-565-017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-53400700-HK

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

Part Number: TFS-53400700-HK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow