Engine Blocks & Parts | Summit Racing

World Products Motown LS Water Return Kits WPIWPI703850-K

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-WPI703850-K

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Milodon Main Stud Kits 81223

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: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

ARP Main Stud Kits 203-5407

Main Studs, 2-bolt Main, Allen Head Nuts, Toyota, 1.8L, Kit

Part Number: ARP-203-5407

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Proform Freeze Plug Kits 66560

Freeze Plugs, Brass, Pontiac V8, Kit

Part Number: PRO-66560

3.67 out of 5 stars ( 3 )

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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

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Proform Freeze Plug Kits 66559

Freeze Plugs, Brass, Oldsmobile, 260-455 V8, Kit

Part Number: PRO-66559

4.33 out of 5 stars ( 3 )

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ARP Main Stud Kits 255-5502

Main Studs, 2-Bolt Main, Used with Windage Tray, Ford, 429, 460, Kit

Part Number: ARP-255-5502

5.0 out of 5 stars ( 3 )

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ARP Main Stud Kits 145-5404

Main Studs, 2-Bolt Main, Chrysler, Dodge, Hemi, Kit

Part Number: ARP-145-5404

4.5 out of 5 stars ( 2 )

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ARP Main Stud Kits 134-5403

Main Studs, 2-Bolt Main, Chevy, Small Block, Large Journal, 12-Point

Part Number: ARP-134-5403

5.0 out of 5 stars ( 1 )

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ARP Crankcase Thru-Bolt Kits 204-5406

Porsche '89 964 &993, '90-'98 all 3.6 & 3.8L crankcase thru bolt kit

Part Number: ARP-204-5406

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Melling Engine Expansion Plug Kits MPE-278BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-278BR

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

ARP Main Stud Kits 154-5410

Main Studs, 2-Bolt Main, with Main Cap Girdle, Ford, 302, Kit

Part Number: ARP-154-5410

3.67 out of 5 stars ( 3 )

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Melling Engine Expansion Plug Kits MPE-610BR

Engine Expansion Plug Kit, Brass, Ford, Mercury, Kit

Part Number: MEL-MPE-610BR

3.0 out of 5 stars ( 2 )

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Melling Engine Expansion Plug Kits MPE-613R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-613R

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

ARP Main Stud Kits 155-5401

Main Studs, Hex, Chromoly, 2-Bolt Main, Ford, Big Block FE, Kit

Part Number: ARP-155-5401

4.33 out of 5 stars ( 3 )

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ARP Main Stud Kits 150-5801

Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.0L, Kit

Part Number: ARP-150-5801

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Melling Engine Expansion Plug Kits MPE-118BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-118BR

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-128R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-128R

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-819BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-819BR

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

PRW Main Cap Stud Kits 1035022

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

Part Number: PQX-1035022

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

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Main Stud Kits SUM-910205

2.75 out of 5 stars ( 3 )

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ARP Main Stud Kits 124-5404

Main Studs, 2-Bolt Main, Buick 1959-66, 401, Kit

Part Number: ARP-124-5404

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Melling Engine Expansion Plug Kits MPE-107BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-107BR

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Moroso Rear Main Seal Adapter Kits 38315

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

Part Number: MOR-38315

5.0 out of 5 stars ( 6 )

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ARP Main Stud Kits 203-5404

Main Studs, 2-Bolt Main, Toyota, 2.0L, 3SGTE, Kit

Part Number: ARP-203-5404

5.0 out of 5 stars ( 1 )

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Melling Engine Expansion Plug Kits for 1975-1985 LAND CRUISER - MPE-141R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-141R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today