Engine Blocks & Accessories

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: Dec 29, 2026 if ordered today

• Special Order

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: Feb 1, 2027 if shipped by air

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, Big Block, 385 Series, Set

Part Number: MIL-11450

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2027

Main/Case Bolts, Pro Series, 2-Bolt Main, Hex Head, Subaru, 2.0, 2.2, 2.5L, Kit

Part Number: ARP-260-5401

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2026

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: Feb 1, 2027 if ordered today

• 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: Nov 23, 2026 if ordered today

• 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: Dec 14, 2026 if shipped by air

for Nissan VR38 main stud kit

Part Number: ARP-202-5802

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if shipped by air

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: Jan 26, 2027

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: Dec 28, 2026 if ordered today

• 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: Nov 30, 2026 if ordered today

• 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 26, 2027

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: Jan 26, 2027

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: Nov 19, 2026 if ordered today

• 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: Dec 28, 2026 if ordered today

• 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: Dec 29, 2026 if ordered today

• Special Order

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

Part Number: MIL-11420

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2027 if ordered today

• 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: Dec 28, 2026 if shipped by air

STANDARD BORE CYLINDER

Part Number: CLW-20010

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

• Special Order

STD BORE CYLINDER

Part Number: CLW-10008

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

• Special Order

STD BORE CYLINDER

Part Number: CLW-20001

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

• 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: Dec 29, 2026 if ordered today

• Special Order

STD BORE CYLINDER

Part Number: CLW-20002

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

• Special Order

STD BORE CYLINDER

Part Number: CLW-10001

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

• Special Order

Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3

Part Number: HRS-H400

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

• Special Order