Availability
Engine Blocks & Parts
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set
Part Number: MIL-11160
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Small Block, Large Journal, 12-Point
Part Number: ARP-134-5403
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3
Part Number: PQX-1738901
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.0L, Kit
Part Number: ARP-150-5801
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Big Block, Set
Part Number: MIL-11200
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Main Cap Fasteners, Main Cap Girdle Stud Kits, 2-bolt, Stud Style, Hex Head, Nuts, Washers, Ford, Big Block FE, Big Block 385 Series, Kit
Part Number: PQX-1000215
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bolts, High Performance Series, 2-bolt Style, Hex Head, Washers, Jeep, 4.0L, Kit
Part Number: ARP-146-5001
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN GIRDLE, BILLET STEEL, OLDS 455, incl PRW studs & hardware
Part Number: PQX-9045511
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Main Studs, 2-Bolt, Mazda, 1.6, 1.8L, Kit
Part Number: ARP-218-5401
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3
Part Number: PQX-1745402
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Main Cap Fasteners, Main Stud Kits, 2-bolt, Stud Style, Standard 12-point Nuts, Washers, Volkswagen, 2.0L, Kit
Part Number: ARP-204-5408
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 4-Bolt Main, Chevy, Small Block, Kit
Part Number: PQX-1035042
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-Bolt Main, with Windage Tray, Chevy, Small Block, 400, Kit
Part Number: ARP-234-5606
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bolts, High Performance Series, 2-Bolt Main, Oldsmobile, 350, Kit
Part Number: ARP-184-5001
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,
Part Number: TFS-5150R700-HK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Dowel Pins, Steel, Merlin III, Each
Part Number: WRL-701545
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 4-Bolt Main, Ford 429, 460, Kit
Part Number: ARP-155-5501
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-Bolt Main, High Performance, 12-Point, Chevy, Big Block, World/Merlin II and III Blocks, Kit
Part Number: ARP-135-5801
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-Bolt Main, Dart Big M Block, Chevy, 454, Kit
Part Number: ARP-235-5601
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt Main, for use on Honda®, 1.8L, B18C1, Kit
Part Number: ARP-208-5403
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt Main, for use on Honda®, 2.2, 2.3L, Kit
Part Number: ARP-208-5401
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Fasteners, Main Stud Kits, 4-bolt Main, Studs, Standard Hex Nuts, Designed for Dart SHP Blocks, Ford, 5.8L, Kit
Part Number: ARP-154-5613
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt Main, Toyota, 2.0L, 3SGTE, Kit
Part Number: ARP-203-5404
Estimated Ship Date: Today
Estimated Ship Date: Today
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