Engine Blocks & Parts

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 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CHEV 400, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000207

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners

Part Number: PQX-9030201

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, CHEV 350, 2pc Rear Seal, Does Not incl Studs or Fasteners

Part Number: PQX-9035001

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, FORD 351W, Does Not incl Studs or Fasteners

Part Number: PQX-9035101

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, CHEV 400, Does Not incl Studs or Fasteners

Part Number: PQX-9040001

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, FORD 390FE/448 Stroker, incl PRW fasteners & hardware

Part Number: PQX-9044800

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners

Part Number: PQX-9046001

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Expansion Plug, Stock Replacement Expansion Plug

Part Number: MEL-MEP-337

Not Yet Reviewed

Estimated Ship Date: Sep 26, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Sleeve, Cast Iron, 3.938 in. Bore I.D., 0.125 in. Wall Thickness, 6.750 in. Length, Each

Part Number: MEL-590203

Not Yet Reviewed

Estimated Ship Date: Sep 26, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Sleeve, Cast Iron, 4.000 in. Bore I.D., 0.125 in. Wall Thickness, 6.250 in. Length, Each

Part Number: MEL-590236

Not Yet Reviewed

Estimated Ship Date: Sep 26, 2025 if ordered today

• Drop Ship
• Special Order

Top End Engine Kits CYL WORKS STD BORE CYLINDER 10 CYL WORKS STD BORE CYLINDER 10 00 RZR XP '14-15

Part Number: CLW-60003

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE CYLINDER

Part Number: CLW-10009

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Expansion Plug Kit 1973-1993 Mercedes-Benz 190D 84-89, 190E 84-93, 230 77-78, 240D 77-83, 280CE 78-81, 280E 77-81, 280S 75-76, 280SE 77-80, 300

Part Number: URO-014550

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084010

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 3.995 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084080

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Ford Man O'War, 302 c.i.d., Cast Iron, 302 Mains, 8.2 in. Deck Height, 1-piece Rear Main Style

Part Number: WRL-087010

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087150

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.245 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091100

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091101-55

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.850 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091107

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.590 in. Bore, 9.850 in. Deck, 55mm Cam Bore, Nodular Iron Main Cap, 2-Piece Rear Seal, Chevy, Big Block, Each

Part Number: WRL-091107-55

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order