Engine Blocks & Parts | Summit Racing

Cylinder Works Cylinders for 2009 KX250F - 422-30004

STD BORE CYLINDER

Part Number: CLW-30004

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Cylinder Works Cylinders for 2005-2017 CRF450X - 422-10008

STD BORE CYLINDER

Part Number: CLW-10008

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Dorman Rear Main Seal Housings 635-557

Rear Seal

Part Number: RNB-635-557

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

Dorman Rear Main Seal Covers 635-118

Rear Main Seal Cover, Aluminum, Natural, Ford, 6.0L Diesel, 6.4L Diesel, Kit

Part Number: RNB-635-118

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

Allstar Performance Lifter Valley Plates ALL90107

Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 3, 2025 if ordered today

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Estimated Ship Date: Oct 3, 2025 if ordered today

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: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

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

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Estimated Ship Date: Today

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PRW Main Cap Stud Kits for 1998-2008 RAM 2500, RAM 3500 - 1000313

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 24V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000313

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Summit Racing™ Extreme Duty Main Studs SUM-910513

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Estimated Ship Date: Today

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Milodon Main Stud Kits 81117

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: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 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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PRW Main Cap Stud Kits 1000323

Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Summit Racing™ Extreme Duty Main Studs SUM-910523

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Estimated Ship Date: Today

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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: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 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: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Brian Tooley Racing Main Cap Fasteners BTR45475

BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475

Part Number: BTC-BTR45475

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

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Estimated Ship Date: Sep 12, 2025 if ordered today

Howards Cams Extreme Billet Main Caps H350C-1

Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350C-1

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Howards Cams Main Caps H350S-1

Main Cap, SB Chev 350

Part Number: HRS-H350S-1

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Main Stud Kit

Part Number: PIO-855020

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today