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Summit Racing™ Mockup Replica Blocks SUM-774005

Summit Racing™ Mockup Replica Blocks SUM-774005

Mockup Bock, Cummins 5.9 12V Diesel, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774005

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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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Melling Performance Cylinder Sleeves 592256

Cylinder Sleeve, Cast Iron, 4.095 in. Bore I.D., 0.125 in. Wall Thickness, 7.500 in. Length, Each

Part Number: MEL-592256

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Top Street Performance Trussed-Style Engine Valley Covers 81043C

Engine Valley Cover, Trussed, Billet Aluminum, Chrome, Hardware Included, Chevy, Each

Part Number: TSN-81043C

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Milodon Main Stud Kits 81137

Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gator Fasteners Main Stud Kits MSK394BT

Main Studs, 2-Bolt Main, Cummins, 3.9L, Kit

Part Number: GFN-MSK394BT

Not Yet Reviewed

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Dart Block Sleeves 32160411

BIG BLOCK CHEVY BLOCK SLEEVE

Part Number: DRT-32160411

Not Yet Reviewed

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S&S Cycle Piston Cooling Jets 310-1203

S&S Cycle M-Series Piston Cooling Jet Kit

Part Number: SSY-310-1203

Not Yet Reviewed

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Dart Block Sleeves 32160111

Cylinder Sleeve, Cast Iron, 4.240 in. Bore I.D., 0.185 in. Wall Thickness, 6.370 in. Length, Each

Part Number: DRT-32160111

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Brodix Cylinder Heads Cylinder Sleeves 8BSL43075

CYLINDER SLEEVE

Part Number: BRO-8BSL43075

Not Yet Reviewed

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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: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Melling Cylinder Sleeves CSL565

Cylinder Sleeve, Cast Iron, 4.750 in. Bore I.D., 0.125 in. Wall Thickness, 14.000 in. Length, Each

Part Number: MEL-CSL565

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Cylinder Works Powersports Cylinders CH2001-K02

CYLINDER HEAD KIT STD YAM

Part Number: CLW-CH2001-K02

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

PRW Billet Steel Main Girdles 9040001

MAIN GIRDLE, BILLET STEEL, CHEV 400, Does Not incl Studs or Fasteners

Part Number: PQX-9040001

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

Wiseco Cylinder Sleeves W6194

Cylinder Sleeve, Powersports, Cast Iron, 3.602 Bore, Triumph, Each

Part Number: WIS-W6194

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL9095

Cylinder Sleeve, Cast Iron, 7.864 in. Bore I.D., 0.133 in. Wall Thickness, 11.375 in. Length, Each

Part Number: MEL-CSL9095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL9157

Cylinder Sleeve, Cast Iron, 5.750 in. Bore I.D., 0.157 in. Wall Thickness, 17.500 in. Length, Each

Part Number: MEL-CSL9157

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL525

Cylinder Sleeve, Cast Iron, 4.875 in. Bore I.D., 0.125 in. Wall Thickness, 13.000 in. Length, Each

Part Number: MEL-CSL525

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL342FS

Cylinder Sleeves, BOXED SLEEVE W/SEAL KIT

Part Number: MEL-CSL342FS

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL566

Cylinder Sleeve, Cast Iron, 5.063 in. Bore I.D., 0.125 in. Wall Thickness, 14.000 in. Length, Each

Part Number: MEL-CSL566

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Melling Cylinder Sleeves CSL9014

Cylinder Sleeve, Cast Iron, 4.750 in. Bore I.D., 0.125 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL9014

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Go Fast Bits Turbocharger Turbine Diverter Valves T9369

Diverter Valve

Part Number: GFS-T9369

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Go Fast Bits Turbocharger Turbine Diverter Valves T9119

Recirculating Diverter valve

Part Number: GFS-T9119

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today