Availability
Engine Blocks & Accessories
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, L6, Kit
Part Number: MIL-81147
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit
Part Number: MIL-81128
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Cylinder Sleeve, Chromoly, 89.00mm Bore, for use on Honda®, Each
Part Number: WIS-3052FA
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each
Part Number: TSN-81043BK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Top Street Performance Finned Aluminum Engine Valley Covers 81045BK
Not Yet Reviewed
Estimated Ship Date: Today
Main Stud Kit
Part Number: PIO-855020
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Dual Outlet Valve
Part Number: GFS-T9219
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Cylinder Sleeve, Powersports, Cast Iron, 3.602 Bore, Triumph, Each
Part Number: WIS-W6194
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Stud Kit Ford 6.4L Powerstroke 2008-2010 PPE
Part Number: PPE-318035400
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Main Stud Kit - RAM 5.9L Cummins 24V 2004-2007 PPE
Part Number: PPE-218035400
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 4.568 in. Bore I.D., 0.094 in. Wall Thickness, 12.500 in. Length, Each
Part Number: MEL-CSL431
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 5.750 in. Bore I.D., 0.157 in. Wall Thickness, 17.500 in. Length, Each
Part Number: MEL-CSL9157
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Billet Cover, LS3 Billet Valley Cover
Part Number: AAF-ALL90107
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
PRO SERIES MAIN STUD KIT - GM GEN III/IV LS, LSX, 12-PT
Part Number: TSN-734-131955
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit
Part Number: MIL-81139
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit
Part Number: MIL-81222
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81170
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475
Part Number: BTC-BTR45475
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Main Stud Kit - RAM 5.9L Cummins 24V 1998.5-2003 PPE
Part Number: PPE-218035200
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
CYL SLEEVE ISX
Part Number: CLE-2264638
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
cylinder head dowel pin
Part Number: PIO-PC-209-100
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
MAIN GIRDLE, BILLET STEEL, FORD 351W, Does Not incl Studs or Fasteners
Part Number: PQX-9035101
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 7.864 in. Bore I.D., 0.133 in. Wall Thickness, 11.375 in. Length, Each
Part Number: MEL-CSL9095
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 5.125 in. Bore I.D., 0.125 in. Wall Thickness, 14.000 in. Length, Each
Part Number: MEL-CSL567
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81131
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Cap Fasteners, Milodon Straight Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Chevrolet, Big Block, Kit
Part Number: MIL-81140
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
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