$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Filters

  • In Stock
  • Part Type

    Show All

  • Brand

    Show All

  • Make/Model
  • Make/Engine
  • Price Range
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Part Type

    Show All

  • Brand

    Show All

  • Make/Model
  • Make/Engine
  • Price Range
  • Filter Options
  • Savings Central

Engine Blocks & Parts

Individual Parts
Part Groups

Results 1326 - 1350 of 1613

Milodon Main Stud Kits 81131

Made in the USA Milodon Main Stud Kits 81131

Milodon Main Stud Kits 81131

Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81131

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Caps 11350

Made in the USA Milodon Main Caps 11350

Milodon Main Caps 11350

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 392 Hemi, Set

Part Number: MIL-11350

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Caps 11520

Made in the USA Milodon Main Caps 11520

Milodon Main Caps 11520

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Pontiac, 421, 428, 455, Set

Part Number: MIL-11520

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Stud Kits 81133

Made in the USA Milodon Main Stud Kits 81133

Milodon Main Stud Kits 81133

Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit

Part Number: MIL-81133

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Stud Kits 81134

Made in the USA Milodon Main Stud Kits 81134

Milodon Main Stud Kits 81134

Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81134

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Cap Fasteners 81136

Made in the USA Milodon Main Cap Fasteners 81136

Milodon Main Cap Fasteners 81136

BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Stud Kits 81138

Made in the USA Milodon Main Stud Kits 81138

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 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP High Performance Series Main Bolts 135-5002

ARP High Performance Series Main Bolts 135-5002

5 out of 5 stars ( 16 )

Estimated Ship Date: Today

...Loading

Milodon Main Stud Kits 81139

Made in the USA Milodon Main Stud Kits 81139

Milodon Main Stud Kits 81139

Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit

Part Number: MIL-81139

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP Main Stud Kits 235-5502

ARP Main Stud Kits 235-5502

5 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Milodon Main Bolt Kits 81140

Made in the USA Milodon Main Bolt Kits 81140

Milodon Main Bolt Kits 81140

Main Cap Fasteners, Milodon Straight Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Chevrolet, Big Block, Kit

Part Number: MIL-81140

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Milodon Main Stud Kits 81145

Made in the USA Milodon Main Stud Kits 81145

Milodon Main Stud Kits 81145

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit

Part Number: MIL-81145

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Melling Cylinder Sleeves CSL111

Made in the USA Melling Cylinder Sleeves CSL111

Melling Cylinder Sleeves CSL111

SLEEVES, CYLINDER BORE

Part Number: MEL-CSL111

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 13, 2026 if ordered today

S&S Cycle 110 in. Power Packages 330-0668

S&S Cycle 110 in. Power Packages 330-0668

S&S Cycle 110 in. Power Packages 330-0668

Top End Engine Kit, 110 in Power Package, Black Wrinkle Finish, 585 Easy Start Cams, Harley-Davidson®, Kit

Part Number: SSY-330-0668

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

World Products Merlin IV Engine Blocks 091110

Made in the USA World Products Merlin IV Engine Blocks 091110

World Products Merlin IV Engine Blocks 091110

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.425 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091110

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

World Products Merlin IV Engine Blocks 095110

Made in the USA World Products Merlin IV Engine Blocks 095110

World Products Merlin IV Engine Blocks 095110

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095110

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Manley Cylinder Head Dowel Pins 42380-1

Manley Cylinder Head Dowel Pins 42380-1

Manley Cylinder Head Dowel Pins 42380-1

wrist pin bushings and bearings

Part Number: MAN-42380-1

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Motive Gear Engine Expansion Plugs 555-108

Motive Gear Engine Expansion Plugs 555-108

Motive Gear Engine Expansion Plugs 555-108

EXPANSION PLUG

Part Number: MGR-555-108

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 7, 2026 if ordered today

P-Ayr Engines, Bare Blocks 3036

Made in the USA P-Ayr Engines, Bare Blocks 3036

P-Ayr Engines, Bare Blocks 3036

SHORT BLOCK FE

Part Number: PYP-3036

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Wiseco Cylinder Sleeves for 1999-2008 TRX400EX SPORTRAX, 1996-2004 XR400R - 3052FA

Made in the USA Wiseco Cylinder Sleeves for 1999-2008 TRX400EX SPORTRAX, 1996-2004 XR400R - 3052FA

Wiseco Cylinder Sleeves for 1999-2008 TRX400EX SPORTRAX, 1996-2004 XR400R - 3052FA

Cylinder Sleeve, Chromoly, 89.00mm Bore, for use on Honda®, Each

Part Number: WIS-3052FA

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Cylinder Works Cylinders 422-20104

Cylinder Works Cylinders 422-20104

Cylinder Works Cylinders 422-20104

STD BORE CYLINDER

Part Number: CLW-20104

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

PPE Main Cap Fasteners 318035000

PPE Main Cap Fasteners 318035000

PPE Main Cap Fasteners 318035000

Main Stud Kit Ford 7.3L Powerstroke 1993-2002 PPE

Part Number: PPE-318035000

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

PPE Main Cap Fasteners 318035200

PPE Main Cap Fasteners 318035200

PPE Main Cap Fasteners 318035200

Main Stud Kit Ford 6.0L Powerstroke 2003-2007 PPE

Part Number: PPE-318035200

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

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

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

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: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 2026 if ordered today

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

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

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: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 2026 if ordered today

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

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

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: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 2026 if ordered today

Edelbrock Cylinder Sleeves 549103-1

Edelbrock Cylinder Sleeves 549103-1

Edelbrock Cylinder Sleeves 549103-1

CYLINDER SLEEVE 4.125" X 9.24

Part Number: EDL-549103-1

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify