Engine Blocks & Parts

Rear Main Seal Cover Kit

Part Number: RNB-635-696

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Rear Main Seal Retainer

Part Number: RNB-635-450

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Expansion Plugs, Pipe Plugs, Kit

Part Number: RNB-02660

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Brass Cup Expansion Plug 1-61/64 In., Height 0.510

Part Number: RNB-565-041

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Brass Cup Expansion Plug 2 In., Height 0.566

Part Number: RNB-565-044

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Brass Cup Expansion Plug 34.3mm, Height 0.497

Part Number: RNB-565-104

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Engine Expansion Plugs, Rubber/Steel, 1.125 in. - 1.250 in. Diameter Hole Range, Set of 5

Part Number: RNB-570-006

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Rubber Expansion Plug 1-1/4 In. - Size Range 1-1/4 In. - 1-3/8 In.

Part Number: RNB-570-007

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Expansion Plugs, Rubber, Diameter 1.750 in., Dodge, Set of 5

Part Number: RNB-570-010

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Expansion Plugs, Copper, Diameter 1.750 in., Jeep, Set of 5

Part Number: RNB-568-011

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Expansion Plugs, Steel, Diameter 1.792 in., Ford, Mazda, Each

Part Number: RNB-555-105

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

S&S Cycle 5/16-24 UNF x 5.750in Crankcase Alignment Stud

Part Number: SSY-31-2003

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

S&S Cycle 70-99 BT .340in x .420in x 1.375in Crankcase Oil Screen Spring

Part Number: SSY-31-2011-S

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Sleeve, Cast Iron, 4.437 in. Bore I.D., 0.094 in. Wall Thickness, 12.750 in. Length, Each

Part Number: MEL-CSL427

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Special Order

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U

Not Yet Reviewed

Estimated Ship Date: Nov 7, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 392 Hemi, Set

Part Number: MIL-11350

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE CYLINDER

Part Number: CLW-20001

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE CYLINDER

Part Number: CLW-20003

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE CYLINDER

Part Number: CLW-20004

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, TC 88/96 3.75" STD BRE CYLINDR

Part Number: HDD-820-51549

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Expansion Plugs

Part Number: NAL-10241154

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

• Drop Ship
• Special Order

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091111

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order