Engine Blocks & Accessories

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Cap Girdle, 1045 Billet Steel, with PRW SCM-4135 Fasteners/Hardware, Black Oxide Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-9034700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, Kit

Part Number: ARP-247-5401

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Cylinder Sleeve, Cast Iron, 7.000 in. Bore I.D., 0.125 in. Wall Thickness, 17.000 in. Length, Each

Part Number: MEL-CSL579

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 4

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-774005

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each

Part Number: SUM-01-8576

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Large Journal, Chevy, Small Block, Set

Part Number: MIL-11150

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 421-455 cid, V8, Dowel Pinned, Drill Guide, Large Journal, Pontiac, Set of 3

Part Number: PQX-1745501

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Oil Cooler Delete Kit, Billet Alum, Black Color, Marine/Hotrod, GM Duramax 6.6L, 2001-10

Part Number: PPE-114001000

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 7.968 in. Bore I.D., 0.176 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL9079

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, 351C, Set

Part Number: MIL-11440

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE CYLINDER

Part Number: CLW-40004

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STANDARD BORE CYLINDER

Part Number: CLW-30011

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Mockup Block, Cummins 4BT, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774006

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Mockup Block, Chrysler Gen III Hemi,5.7,6.1,6.4, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774007

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Main Caps, Billet Steel, Two 2-Bolt, Three Cross-Bolt, 383-440 c.i.d., Big Block Mopar, B/RB, V8, Chrysler, Dodge, Plymouth, Set of 5

Part Number: PQX-1744002

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.4L, Kit

Part Number: ARP-150-5802

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each

Part Number: SUM-01-8571

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

Not Yet Reviewed

Estimated Ship Date: Sep 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11165

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order