Engine Blocks & Accessories

Main Cap Girdle, Steel, Black Oxide, Ford, 429/460, Kit

Part Number: CTR-21-066

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Studs, 6-Bolt Main, ARP2000 Alloy, Black Oxide, Ford, 7.3L, Kit

Part Number: ARP-258-5601

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Studs, 2-Bolt Main, Dodge, Ram, Cummins, 6.7L, Kit

Part Number: ARP-247-5405

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, Plymouth, 360, Set

Part Number: MIL-11310

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Studs, 2-Bolt Main, Dodge, Cummins, 5.9L, 24V, Kit

Part Number: ARP-247-5403

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Free Shipping

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: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Mopar, Small Block LA, 5.2/5.6L, Set

Part Number: MIL-11300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Cylinder Sleeve Assembly - Case/IH 4.625" Bore 336BD, 504BD, NA Diesel Engs.

Part Number: MAH-2261663

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: MIL-11200

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jun 15, 2026 if ordered today

• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 7.500 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL581

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Stud, Ford Modular 6.2L iron block 4-bolt main stud kit

Part Number: ARP-256-5802

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• 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: Jun 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Monday 3/30/2026 if shipped by air

• Free Shipping

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: May 18, 2026 if ordered today

• Free Shipping
• Special Order

Diverter Valve, Integrated Solenoid

Part Number: GFS-T9381

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 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: Jun 10, 2026 if ordered today

• Free Shipping
• Special Order

Main Cap Fasteners, Crankcase Thru Bolt, 2-Bolt Main, Subaru, 2.0L, Kit

Part Number: ARP-260-5001

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Free Shipping
• Special Order

Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.7L, ARP2000, Kit

Part Number: ARP-250-5802

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• 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: Jun 10, 2026 if ordered today

• Free Shipping
• Special Order

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: Monday 3/30/2026 if shipped by air

• Free Shipping

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: Apr 24, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, 4-Bolt Main, Warhawk Aluminum Block, GM LS, Kit

Part Number: ARP-134-5802

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Free Shipping
• Special Order