Engine Blocks & Accessories

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

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Part Number: MEL-CSL581

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 7.000 in. Bore I.D., 0.125 in. Wall Thickness, 17.000 in. Length, Each

Part Number: MEL-CSL579

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Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 4

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

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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 )

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Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, Kit

Part Number: ARP-247-5401

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Mockup Bock, Cummins 5.9 12V Diesel, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774005

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Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each

Part Number: SUM-01-8576

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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: Dec 1, 2025 if ordered today

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Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 421-455 cid, V8, Dowel Pinned, Drill Guide, Large Journal, Pontiac, Set of 3

Part Number: PQX-1745501

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 7.968 in. Bore I.D., 0.176 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL9079

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Estimated Ship Date: Oct 1, 2025 if ordered today

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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: Dec 1, 2025 if ordered today

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Oil Cooler Delete Kit, Billet Alum, Black Color, Marine/Hotrod, GM Duramax 6.6L, 2001-10

Part Number: PPE-114001000

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: MIL-11440

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Estimated Ship Date: Dec 1, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-40004

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Estimated Ship Date: Sep 29, 2025 if ordered today

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STANDARD BORE CYLINDER

Part Number: CLW-30011

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Mockup Block, Cummins 4BT, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774006

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STD BORE CYLINDER

Part Number: CLW-10004

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Mockup Block, Chrysler Gen III Hemi,5.7,6.1,6.4, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774007

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EXPANSION PLUG

Part Number: PIO-EPC-41-B-100

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Main Caps, Billet Steel, Two 2-Bolt, Three Cross-Bolt, 383-440 c.i.d., Big Block Mopar, B/RB, V8, Chrysler, Dodge, Plymouth, Set of 5

Part Number: PQX-1744002

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Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each

Part Number: SUM-01-8571

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Cylinder Sleeve Assembly - Cat. 159mm/6.250" Bore D353, D379, D398, D399 (with OE#7N5036)

Part Number: MAH-2261690

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Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-WPI703850-K

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CYLINDER SLEEVE ASSEMBLY

Part Number: CLE-2262154

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Estimated Ship Date: Oct 20, 2025 if ordered today

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