Engine Blocks & Parts

STD BORE CYLINDER

Part Number: CLW-20001

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Top End Engine Kits CYL WORKS STD BORE CYLINDER 70 CYL WORKS STD BORE CYLINDER 70 0/800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095110

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.750 in. Bore I.D., 0.094 in. Wall Thickness, 14.000 in. Length, Each

Part Number: MEL-CSL465

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 4, 2025 if ordered today

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Freeze Plug (Priced Per Pkg Of 8)

Part Number: RRA-18-5961-9

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Sleeve Assembly Ring Set - Cummins, H4, H6, H672, HR4, HRC, H734, HR6, HRF, NHC4, NT4, N734,

Part Number: MAH-S41314

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Engine Expansion Plugs, Pipe Plugs, Kit

Part Number: RNB-02660

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6850

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Oil Cooler Block-Off Plate, Aluminum, Black Anodized, Chevy, LS, Each

Part Number: PGP-PRP-4525

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Estimated Ship Date: Nov 3, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20003

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Estimated Ship Date: Nov 3, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20004

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Estimated Ship Date: Nov 3, 2025 if ordered today

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SPRING OILER JET .015 DIA ORIFICE, 16 PACK

Part Number: MOR-68825

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Rear Main Seal Housing, Aluminum, Natural, Chevrolet Performance LSX Block, Each

Part Number: NAL-19369274

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Expansion Plugs

Part Number: NAL-10241154

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-19433406

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Bare Block

Part Number: NAL-19417353

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each

Part Number: EDL-54901U

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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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

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 24V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000313

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: PQX-9035001

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Estimated Ship Date: Nov 21, 2025 if ordered today

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

Part Number: PQX-9035101

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Estimated Ship Date: Nov 21, 2025 if ordered today

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

Part Number: PQX-9040001

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Estimated Ship Date: Nov 21, 2025 if ordered today

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