Main Bearings

Main Bearings, MA Series, Standard Size, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5

Part Number: SLP-4125MA

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Chevy, Big block, Set of 5

Part Number: SLP-4400MA

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bearing Set;

Part Number: SLP-4663MA

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

Main Bearing Set;

Part Number: SLP-4663MA10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078MA10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, MA Series, 0.020 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5

Part Number: SLP-4125MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, MA Series, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5

Part Number: SLP-4125MA10

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA10

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA20

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, MA Series, Direct Replacement, Stock Size, Toyota, 2.0L, 2.2L, Set of 5

Part Number: SLP-6622MA

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA30

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, 0.040 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA40

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, 0.040 in. Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078MA40

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearing Set;

Part Number: SLP-4663MA40

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order