Engine Blocks & Accessories

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: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Billet Steel, 2-Bolt, Big Block FE, V8, 332-428 c.i.d., Ford, Set of 4

Part Number: PQX-1739001

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 7.250 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL580

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 7.750 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL582

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 8.000 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL583

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 8.500 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL584

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve, Cast Iron, 7.000 in. Bore I.D., 0.094 in. Wall Thickness, 17.000 in. Length, Each

Part Number: MEL-CSL479

Not Yet Reviewed

Estimated Ship Date: Nov 3, 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: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 5, 2026 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: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order