Availability
Main Bearing, 1/2 Groove, .010 in. Crankshaft Undersize, Steel Backed, Aluminum Alloy, Chevy, 235, 261, Set of 4
Part Number: KAA-MBS1721-010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearing, 1/2 Groove, .030 in. Crankshaft Undersize, Steel Backed, Aluminum Alloy, Chevy, 235, 261, Set of 4
Part Number: KAA-MBS1721-030
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Main Bearing, 1/2 Groove, .001 in. Crankshaft Undersize, Steel Backed, Aluminum Alloy, Chevy, 235, 261, Set of 4
Part Number: KAA-MBS1721-001
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Main Bearing, 1/2 Groove, Standard Size, Steel Backed, Aluminum Alloy, Chevy, 235, 261, Set of 4
Part Number: KAA-MBS1721-STD
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Main Bearing, 1/2 Groove, .002 in. Crankshaft Undersize, Steel Backed, Aluminum Alloy, Chevy, 235, 261, Set of 4
Part Number: KAA-MBS1721-002
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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