Availability
Engine Blocks & Parts
Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit
Part Number: MIL-81115
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bolts, High Performance Series, 4-bolt Main, Hex, Designed To Fit World Motown Cast Iron Engine Blocks, Kit
Part Number: ARP-134-5203
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each
Part Number: WRL-703370C
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
EXPANSION PLUG
Part Number: PIO-EPC-52-25
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-39B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Main Cap Fasteners, Main Stud Kits, 2-bolt Main, Standard 12-point Nuts, Chevrolet, 6.6L Diesel, Kit
Part Number: ARP-230-5402
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-208B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Main Studs, 2-Bolt Main, Chrysler, Dodge, Plymouth, 1981-94, 2.2L, Kit
Part Number: ARP-141-5401
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-113B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-40B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-38B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Shallow Plug - Brass - Each
Part Number: MEL-MPS-154B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MEP-47B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MPC-144B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Shallow Plug - Brass - Each
Part Number: MEL-MPS-76B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LBM, LMM, Kit
Part Number: GFN-MSK66ZM
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 392 Hemi, Set
Part Number: MIL-11350
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
OLDS 350-403, Stud Kit, Main Girdle, Includes 8ea, 1/2" Longer Studs, 7/16"-14/20 x 4.50" Studs, PRW Fasteners & Hardware.
Part Number: PQX-1000211
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 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 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.
Part Number: PQX-1000213
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Freeze Plug - Each - brass
Part Number: MEL-MPC-128B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit
Part Number: MIL-81223
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Pontiac, 421, 428, 455, Set
Part Number: MIL-11520
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Main Studs, 2-Bolt Main, Volkswagen, 2.8L, V6, Kit
Part Number: ARP-204-5403
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Freeze Plug - Each - brass
Part Number: MEL-MEP-26B
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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