Engine Blocks & Accessories

Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each

Part Number: PQX-9045401

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 7.000 in. Length, Each

Part Number: MEL-590297

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Estimated Ship Date: Tomorrow

Main Cap Studs, 8740 Chromoly, Black, Hex Head, Crankcase Housing Position, Sea-Doo, Kit

Part Number: ARP-168-5501

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Estimated Ship Date: Tomorrow

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Cylinder Sleeve, Cast Iron, 6.125 in. Bore I.D., 0.125 in. Wall Thickness, 17.500 in. Length, Each

Part Number: MEL-CSL575

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Main Studs, 2-Bolt Main, , Cummins, 3.9L, 4BT, ARP2000, Kit

Part Number: ARP-247-5404

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ENGINE BLOCK SLEEVE

Part Number: DRT-32140222

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Main Studs, 2-Bolt Main, AMC, 290-401, Kit

Part Number: MIL-81187

5.0 out of 5 stars ( 1 )

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Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Small Block, Set of 3

Part Number: PQX-1735003

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Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1740002

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Main Studs, 2-Bolt Main, for Nissan, SR20 DET L4, Kit

Part Number: ARP-202-5402

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Main Studs, 2-Bolt Main, Dodge, Ram, Cummins, 6.7L, Kit

Part Number: ARP-247-5405

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Studs, 4-Bolt Main, with Windage Tray, Chevy, Small Block, 400, Kit

Part Number: ARP-234-5606

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Studs, 4-Bolt Main, Ford, Boss 302, with Windage Tray, Kit

Part Number: ARP-154-5602

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Estimated Ship Date: Tomorrow

Plug and Dowel Kit, Steel, Ford, Boss Block, Kit

Part Number: FMS-M-6026-BOSS

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Estimated Ship Date: Oct 23, 2025 if ordered today

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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: Oct 20, 2025 if ordered today

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Main Studs, Chromoly, Hex Head, 4-Bolt, Chevy, 350, 400, Dart Little M, Splayed Bolts, Kit

Part Number: ARP-234-5801

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350R-1

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Main Studs, 2-Bolt Main, for use on Honda®, 2.2, 2.3L, Kit

Part Number: ARP-208-5401

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Studs, 2-Bolt Main, Ford, Pinto, 2.0L, Kit

Part Number: ARP-151-5401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Studs, 2-Bolt, BMW, 3.2L, Kit

Part Number: ARP-201-5002

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Cap Girdle, 1045 Billet Steel, with PRW SCM-4135 Fasteners/Hardware, Black Oxide Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-9034700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

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Estimated Ship Date: Nov 10, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, CHEV 400, incl PRW fasteners & hdwe

Part Number: PQX-9040000

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit

Part Number: CTR-21-850

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Main Studs, 2-Bolt, Chevy, Saturn, 2.0L, Kit

Part Number: ARP-209-5401

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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