Engine Blocks & Accessories

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

Part Number: HRS-H400

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Estimated Ship Date: Sep 17, 2025 if ordered today

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Main Stud, Dodge SRT10 main stud kit

Part Number: ARP-247-5501

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Estimated Ship Date: Nov 17, 2025 if ordered today

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MAIN CAP, MACHINED

Part Number: DRT-32773050H

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Main Studs, Chromoly, Hex Head, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: ARP-230-5401

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Estimated Ship Date: Aug 11, 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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Estimated Ship Date: Tomorrow

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-369

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Estimated Ship Date: Tomorrow

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Main Caps, Billet Steel, 2-Bolt, Straight, Mopar, Set of 5

Part Number: PQX-1738301

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Estimated Ship Date: Tomorrow

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

Part Number: PQX-1745401

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Estimated Ship Date: Tomorrow

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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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Estimated Ship Date: Tomorrow

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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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Estimated Ship Date: Tomorrow

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Main Studs, 6-Bolt Main, Chevrolet, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-234-5608

4.91 out of 5 stars ( 66 )

Estimated Ship Date: Tomorrow

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Main Studs, 4-Bolt Main, Chevy, Big Block, Gen VII, Kit

Part Number: ARP-135-5901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Rear Main Seal Housing, Billet Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: ICB-551727

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Estimated Ship Date: Tomorrow

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Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each

Part Number: SUM-774001

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.0L, Kit

Part Number: ARP-150-5801

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Estimated Ship Date: Tomorrow

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262040

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: MEL-CSL580

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Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: MEL-CSL582

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Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: MEL-CSL583

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Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: MEL-CSL584

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

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Estimated Ship Date: Sep 3, 2025 if ordered today

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

Part Number: MEL-CSL479

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Cylinder Sleeve Assembly - Cum. 139.7mm/5.500" Bore 855 PP Std Lnr (OE#3801768)

Part Number: MAH-2261749

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Estimated Ship Date: Sep 5, 2025 if ordered today

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