1984 Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Engine Works Small Block Rear Main Seal Adapters 350ERMSA

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

Part Number: EW1-350ERMSA

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dart Main Bolts 66733750

Main Bolt, 4-Bolt Main, Standard Hex Head, 1/2 in. Thread, 3.750 in. UHL, Each

Part Number: DRT-66733750

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

ARP Main Stud Kits 154-5608

ARP Main Stud Kits 154-5608

Main Studs, Chromoly, 4-Bolt Main, Ford, Small Block, 302W Dart Iron Eagle Block, Kit

Part Number: ARP-154-5608

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dorman Expansion Plugs 555-085

Expansion Plugs, Steel, Diameter 2.105 in., GM, Set of 10

Part Number: RNB-555-085

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ACDelco Cylinder Head Dowel Pins 14024244

Engine Cylinder Head Dowel Pin, Engine Cylinder Head Dowel Pin, PIN-CYL HD DOWL

Part Number: ADO-14024244

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Milodon Main Stud Kits 81126

Main Studs, 2-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81126

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

ACDelco Engine Block Dowel Pins 14080362

STUD-OIL PAN

Part Number: ADO-14080362

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Stef's Lifter Valley Screen Kits 67090

LIFTER VALLEY SCREEN KITS

Part Number: STF-67090

3.0 out of 5 stars ( 1 )

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Milodon Main Stud Kits 81115

Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

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ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Melling Engine Expansion Plug Kits MPE-116BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-116BR

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ARP Main Stud Kits 254-5601

Main Studs, 4-Bolt Main, Ford, R-Block, Ford, 302, R-Block, Kit

Part Number: ARP-254-5601

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARP Main Stud Kits 184-5402

Main Studs, 2-Bolt Main, Oldsmobile, 350 Diesel, Kit

Part Number: ARP-184-5402

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ARP High Performance Series Main Bolts 185-5001

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARP Main Stud Kits 154-5605

Main Studs, 4-Bolt Main, Ford, 302 SVO, Kit

Part Number: ARP-154-5605

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 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 Cap Stud Kits 1035042

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

Part Number: PQX-1035042

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Dorman Expansion Plugs 555-029

Expansion Plugs, Steel, Diameter 1.580 in., Various, Each

Part Number: RNB-555-029

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dorman Expansion Plugs 555-051

Expansion Plugs, Steel, Diameter 2.208 in., Various, Each

Part Number: RNB-555-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARP Pro Series Main Bolts 233-5201

Main Bolts, Pro Series, 4-Bolt Main, Chevy, 3.3, 3.8, 4.3L, 90 Degree V6, Kit

Part Number: ARP-233-5201

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dorman Expansion Plugs 555-028.1

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Each

Part Number: RNB-555-028-1

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Pioneer Automotive Main Cap Fasteners 855201

Main Bolt Kit

Part Number: PIO-855201

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Dorman Expansion Plugs 550-022

Engine Expansion Plugs, Steel, 1.500 in. Diameter, Ford, 6.9L Diesel, Set of 10

Part Number: RNB-550-022

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dorman Expansion Plugs 555-017

Freeze Plugs, Steel, 1.00 in. Diameter, 0.440 in. Height, Buick, Chevy, Oldsmobile, Pontiac, Jaguar, MG

Part Number: RNB-555-017

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-176R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-176R

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today