Engine Blocks & Accessories

Main Stud Kit

Part Number: PIO-855020

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Estimated Ship Date: Nov 6, 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-H350C-1

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Main Cap, SB Chev 350

Part Number: HRS-H350S-1

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Main Cap SB Chev 400

Part Number: HRS-H400-1

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Estimated Ship Date: Dec 11, 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: Dec 2, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners

Part Number: PQX-9046001

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Estimated Ship Date: Dec 2, 2025 if ordered today

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BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475

Part Number: BTC-BTR45475

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Rear Main Seal Retainer

Part Number: RNB-635-450

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262114

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Estimated Ship Date: Dec 2, 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 19, 2026 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 24, 2025 if ordered today

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Sleeve Assembly Ring Set - Caterpillar 3500 Series, 3508 Ind.,Gen.,Marine 8,12,16 cyl 6.700 in. Bore D

Part Number: MAH-S41832

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Recirculating Diverter valve

Part Number: GFS-T9119

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Dual Outlet Valve

Part Number: GFS-T9219

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Diverter Valve

Part Number: GFS-T9369

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Diverter Valve, Integrated Solenoid

Part Number: GFS-T9383

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Head, TC 88/96 3.75" STD BRE CYLINDR

Part Number: HDD-820-51549

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.750 in. Bore I.D., 0.125 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL9014

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 7.864 in. Bore I.D., 0.133 in. Wall Thickness, 11.375 in. Length, Each

Part Number: MEL-CSL9095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 5.750 in. Bore I.D., 0.157 in. Wall Thickness, 17.500 in. Length, Each

Part Number: MEL-CSL9157

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 5.063 in. Bore I.D., 0.125 in. Wall Thickness, 14.000 in. Length, Each

Part Number: MEL-CSL566

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeves, CYLINDER SLEEVE (3.550X 3.742X 7.245-3.964)

Part Number: MEL-CSL334F

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Sleeves, BOXED SLEEVE W/SEAL KIT

Part Number: MEL-CSL342FS

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Estimated Ship Date: Nov 17, 2025 if ordered today

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