Engine Blocks & Accessories

Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit

Part Number: MIL-81130

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Sleeve Assembly Ring Set - Caterpillar 3500 Series, 3508 Ind.,Gen.,Marine 8,12,16 cyl 6.700 in. Bore D

Part Number: MAH-S41832

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Sleeve Assembly Ring Set - Cummins, H4, H6, H672, HR4, HRC, H734, HR6, HRF, NHC4, NT4, N734,

Part Number: MAH-S41314

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Special Order

Rebore Kit

Part Number: MAH-0024702-AM

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Oil Sump Plate 1997-2008 Porsche 911 99-08, Boxster 97-08, Cayman 06-08, Engine Oil Sump Plate

Part Number: URO-015586

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, CHEV 350, 2pc Rear Seal, Does Not incl Studs or Fasteners

Part Number: PQX-9035001

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners

Part Number: PQX-9046001

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Sleeve Wet With O-Rings - Caterpillar 3500 - w/ Wide Flange Sleeve Ind., Gen., Marine 8-12-16 cyl

Part Number: MAH-2264557

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

REBORE KIT ASSEMBLY

Part Number: CLE-2252513020

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

REBORE KIT ASSEMBLY

Part Number: CLE-2252738020

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262093

Not Yet Reviewed

Estimated Ship Date: Dec 1, 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: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Stud Kit

Part Number: PIO-855005

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Stud Kit

Part Number: PIO-855020

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350C-1

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Special Order

Main Cap, SB Chev 350

Part Number: HRS-H350S-1

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Cap SB Chev 400

Part Number: HRS-H400-1

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475

Part Number: BTC-BTR45475

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rear Main Seal Retainer

Part Number: RNB-635-450

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: CLE-2262114

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order