$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Selected Filters


Loading...

Availability


5 Results Found For "lowering block"

Individual Parts

Results 1 - 5 of 5

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: KGB-MB5514AM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM010

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI030

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM030

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.