Engine Blocks & Accessories

Fully Adjustable sound BOV/Diverter

Part Number: GFS-T9019

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve Assembly - Cummins N-14, plus ring set, std liner

Part Number: MAH-2261911

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Sleeve Assembly - Cat. 121mm/4.750" Bore 1673C, D333C, 3300 (with OE#9N5250)

Part Number: MAH-2261695

Not Yet Reviewed

Estimated Ship Date: Sep 12, 2025 if ordered today

• Free Shipping
• Special Order

CYLINDER SLEEVE ASSEMBLY

Part Number: CLE-2262156

Not Yet Reviewed

Estimated Ship Date: Oct 17, 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: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Oct 17, 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: Oct 17, 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: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit

Part Number: PQX-1000306

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rear Main Seal Cover, Aluminum, Natural, Ford, 6.0L Diesel, 6.4L Diesel, Kit

Part Number: RNB-635-118

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rear Main Seal Housing, Aluminum, Natural, Chevrolet Performance LSX Block, Each

Part Number: NAL-19369274

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve Assembly - Cat. 137mm/5.400" Bore 3406B (with OE#2900017)

Part Number: MAH-2261734

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Sleeve Assembly - Case/IH/Nav. 117.5mm/4.625" Bore A336BD, A504BD

Part Number: MAH-2261846

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2261969

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262020

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262045

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• 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: Oct 1, 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: Oct 1, 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: Oct 1, 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: Oct 1, 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: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve Assembly - Cummins Diesel 5.500" Bore NH/NT 855 Series Engs.

Part Number: MAH-2261772

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262099

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262106

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Free Shipping
• Special Order