Availability
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: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Cap Fasteners, Two Bolt Caps with Windage Tray, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit
Part Number: MIL-81146
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Studs, 2-Bolt, Ford, 351W, with Windage Tray, Kit
Part Number: MIL-81166
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Studs, 2-Bolt, Ford, 351C, with Windage Tray, Kit
Part Number: MIL-81168
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81170
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Mopar R3 Small Block LA, Kit
Part Number: MIL-81180
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set
Part Number: MIL-11165
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set
Part Number: MIL-11180
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 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: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Main Caps, Angled Side Bolt, Ductile Iron, CNC Machined, Holden, V8, Kit
Part Number: MIL-11570
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
REAR MAIN SEAL HOUSING
Part Number: NAL-12705665
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Rear Main Seal Housing, Aluminum, Natural, Chevrolet Performance LSX Block, Each
Part Number: NAL-19369274
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Engine Expansion Plugs
Part Number: NAL-10241154
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Engine Expansion Plug, Brass, 1.625 in. O.D., Each
Part Number: NAL-94673017
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Today
SHORT BLOCK FE
Part Number: PYP-3036
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
CYLINDER SLEEVE, 4.125 x 9.240(OUTER RIGHT),CYL. # 2 & 7
Part Number: EDL-549111-1
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
CYLINDER SLEEVE, 4.125 X 9.750 (OUTER LEFT), CYL. # 1 & 8
Part Number: EDL-549113-1
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
CYLINDER SLEEVE 4.125 X 9.240
Part Number: EDL-549114-1
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
OILER, FOR RHS BLOCK
Part Number: EDL-549120-POL
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
DOWEL PIN
Part Number: PIO-PF174-25
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
Dowel Pin, Hollow, Cylinder Head, Set of 25
Part Number: PIO-PF-310-25
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
Cylinder Head Dowel Pins, Ford, Lincoln, Mercury, Set of 100
Part Number: PIO-PF-485-100
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-229-B
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.