Availability
Main Cap, Ductile Iron, Front, Straight Outer Bolts, 2-Bolt, Large Journal, Chevy, Small Block, Each
Part Number: MIL-11153
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit
Part Number: MIL-81115
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10
Part Number: RNB-555-104
Estimated Ship Date: Today
Estimated Ship Date: Today
Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10
Part Number: RNB-565-023
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt, Chevy, Saturn, 2.0L, Kit
Part Number: ARP-209-5401
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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Freeze Plugs, Steel, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10
Part Number: RNB-555-003
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap, Ductile Iron, Front, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Each
Part Number: MIL-11053
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Freeze Plug Kit, Brass, Chevy, Small Block, 267-350, Kit
Part Number: PIO-830001
Estimated Ship Date: Today
Estimated Ship Date: Today
Expansion Plugs, Steel, Diameter 1.513 in., Various, Each
Part Number: RNB-555-077
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Big Block, Kit
Part Number: PGP-PRP-6862
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Engine Valley Cover, Trussed, Billet Aluminum, Chrome, Hardware Included, Chevy, Each
Part Number: TSN-81044C
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 2-Bolt Main, Chevy, Small Block, Kit
Part Number: PQX-1035022
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Oil Cooler Block-Off Plate, Billet Aluminum, Black Anodized, Chevy, Cadillac, 6.2L V8, Kit
Part Number: IRP-E6G-680
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SHORT MAIN CAP BOLT
Part Number: NAL-11548075
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each
Part Number: TSN-81044BK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Fastener, Bolt, Little M Sportsman, Chevy, Each
Part Number: DRT-66722687
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 4-Bolt Main, Chevy, Big Block, Kit
Part Number: PQX-1045442
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Small Block, Kit
Part Number: PGP-PRP-6850
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Freeze Plug Kit, Brass, Chevy, Small Block, Kit
Part Number: PIO-PE100BR
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10
Part Number: RNB-555-011
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks
Part Number: EDL-549100-1
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Cap, Billet Steel, Front, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Each
Part Number: HRS-H454-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Freeze Plug Kit, Brass, Chevy, Pontiac, Buick, GMC, Oldsmobile, V6, Kit
Part Number: PIO-PE-137-BR
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
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