Engine Blocks & Parts | Summit Racing

Cylinder Works Cylinders for 2015-2019 WR250F, YZ250FX, 2014-2018 YZ250F - 422-20010

STANDARD BORE CYLINDER

Part Number: CLW-20010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Cylinders for 2013-2015 250 SX-F, 250 XC-F, 2014-2015 FE250 - 422-50004

STD BORE CYLINDER

Part Number: CLW-50004

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Powersports Cylinders CW20011

CYLINDER ONLY 54MM/STD YAM

Part Number: CLW-CW20011

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Powersports Cylinders CW20015K01

CYLINDER KIT 47.50/STD YAM

Part Number: CLW-CW20015K01

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Powersports Cylinders CW30017K01

CYLINDER KIT 78.00/STD14.1:1 KAW

Part Number: CLW-CW30017K01

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Clevite Engine Parts Cylinder Sleeves 226-4638

CYL SLEEVE ISX

Part Number: CLE-2264638

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

PRW Billet Steel Main Girdles 9035001

MAIN GIRDLE, BILLET STEEL, CHEV 350, 2pc Rear Seal, Does Not incl Studs or Fasteners

Part Number: PQX-9035001

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

PRW Billet Steel Main Girdles 9035101

MAIN GIRDLE, BILLET STEEL, FORD 351W, Does Not incl Studs or Fasteners

Part Number: PQX-9035101

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

PRW Main Cap Stud Kits 1000306

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit

Part Number: PQX-1000306

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Summit Racing™ Extreme Duty Main Studs SUM-910515

Not Yet Reviewed

Estimated Ship Date: Today

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PRW Power Main Cap Fasteners 1000308

MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Summit Racing™ Extreme Duty Main Studs SUM-910518

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Estimated Ship Date: Today

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PRW Main Cap Stud Kits 1000311

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Summit Racing™ Extreme Duty Main Studs for 1989-1998 Dodge Cummins 5.9L 12V

Not Yet Reviewed

Estimated Ship Date: Today

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Mishimoto Oil Cooler Block-Off Plates MMOCP-MUS8-15

Ford Mustang GT RHD Oil Cooler Block Off Plate, 2015-2023

Part Number: MIO-MMOCPMUS815

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Crown Automotive Engine Block Coolant Plugs J3172319

Crown Automotive Engine Block Coolant Plugs J3172319

Engine Expansion Plug, Steel, 0.875 in. Diameter, Jeep, 2.5L, 4.2L, Each

Part Number: CWA-J3172319

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Crown Automotive Engine Block Coolant Plugs 941998

Engine Expansion Plug, Steel, Jeep, Willys, 2.2L, Each

Part Number: CWA-941998

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

DeWitts Radiator Oil Cooler Block-Off Plates 32-894-212

C6 Oil Block w/ 212 Stat

Part Number: DWR-32-894-212

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

DeWitts Radiator Oil Cooler Block-Off Plates 32-900-180

C7 Block w/ 180 T-Stat

Part Number: DWR-32-900-180

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

DeWitts Radiator Oil Cooler Block-Off Plates 32-900-212

C7 Block w/ 212 T-Stat

Part Number: DWR-32-900-212

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Milodon Main Stud Kits 81221

Main Studs, 2-Bolt, Pontiac, 326-455, Kit

Part Number: MIL-81221

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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ARP Main Stud Kits 194-5401

4.75 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81222

Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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ARP Main Stud Kits 194-5601

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81117

Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81125

Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81125

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Summit Racing™ Main Stud Kits SUM-910205

2.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81138

Main Studs, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81138

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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ARP High Performance Series Main Bolts 135-5002

5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Milodon Main Stud Kits 81215

Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit

Part Number: MIL-81215

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 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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MAHLE Original Cylinder Sleeves 226-2150

CYL SLEEVE ASSEMBLY

Part Number: MAH-2262150

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Melling Engine Expansion Plugs MPE-846R

Engine Expansion Plug Kit, Stock Replace

Part Number: MEL-MPE-846R

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today