Engine Blocks & Parts

Sleeve Assembly Ring Set - J.D.Trac. 4.25" Bore, 4227, 6341 (3@3/32" Comp & 1@1/4" Oil) - OEM #

Part Number: MAH-S40649

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - A.C.Engs., A.C.Trac. 426 cid (7.0L) D3400, D3500, D3500 MKII 6 cyl 4.250 in.

Part Number: MAH-S40651

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - J.D.Trac. - OEM # (AT14695)

Part Number: MAH-S40658

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - Cat. 121mm/4.750" Bore 1674, D330C, D333, D334, 3300 (OE#9S3068)

Part Number: MAH-S40963

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - Buda Overbore Conversion 153 cid (2.5L) 4 cyl 3.438in./87.33mm Engine. Case

Part Number: MAH-S41010

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - Case 4551 cid(7.4L) A451BD 6 cyl 4.375 in. Bore

Part Number: MAH-S41057

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - Int.Trac. - OEM # (364788R93)

Part Number: MAH-S4240

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - Waukesha 145GZ, 145GZB, F817G Butane, Gasoline, and Natural Gas Engines;5-3/8

Part Number: MAH-S51823

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Sleeve Assembly Ring Set - "Hercules; ZXB; ZXB3; 2.625"" Bore"

Part Number: MAH-S5772

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

LINER SHIM

Part Number: CLE-2238015

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

CYLINDER BLOCK SHIMS

Part Number: CLE-2238017

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Free Shipping
• Special Order

CYL SLEEVE ASSEMBLY

Part Number: MAH-IMKT545803T

Not Yet Reviewed

Estimated Ship Date: Oct 2, 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: Nov 25, 2025 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: Nov 25, 2025 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: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Caps, Angled Side Bolt, Ductile Iron, CNC Machined, Holden, V8, Kit

Part Number: MIL-11570

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, 2-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81126

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 25, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: MIL-81128

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Special Order

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

Part Number: MIL-81129

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 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: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: MIL-81131

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit

Part Number: MIL-81133

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81134

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit

Part Number: MIL-81139

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order