Availability
Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280SI075
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 1.8, 2.0L, Set of 5
Part Number: KGB-MB5171AM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford. Set of 8
Part Number: KGB-CR871SI020
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford. Set of 8
Part Number: KGB-CR871SI010
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, .050 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 8
Part Number: KGB-CR814SI050
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4
Part Number: KGB-MB4023SI010
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, .010 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 6
Part Number: KGB-CR642SI010
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, Mazda, 3.0L, Set of 4
Part Number: KGB-MB459SI05
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearing, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Ford, 2.0, 2.3, 2.5L, Set of 4
Part Number: KGB-CR4476SI10
Not Yet Reviewed
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Mazda, 1.5, 1.6, 1.8L, Set of 5
Part Number: KGB-MB5537AM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, Standard Size, Bi Metal, Alecular Alloy, Set of 4
Part Number: KGB-CR4105AM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, SI-Series, Silicon Aluminum, 0.750mm Crankshaft Undersize, Ford, 4.6L, 5.4L, Set of 8
Part Number: KGB-CR881SI075
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Mazda, 3.0L, Set of 4
Part Number: KGB-MB459SI
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Ford, 2.3, 2.5L, Set of 5
Part Number: KGB-MB5547AM030
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.060 in. Crankshaft Undersize, Ford, 429, 460, Set of 5
Part Number: KGB-MB5650SI060
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, Grooved, Bi Metal, Stock Size, Ford, 1.9L, 2.0L, Set of 5
Part Number: KGB-MB5558SI
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 1.9, 2.0L, Set of 5
Part Number: KGB-MB5558SI05
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, XP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 221, 255, 260, 289, 302, Set of 8
Part Number: KGB-CR804XPND010
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 1.8, 2.0L, Set of 5
Part Number: KGB-MB5171AM025
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, .030 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 6
Part Number: KGB-CR642SI030
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, Mercury, 3.0L, Set of 6
Part Number: KGB-CR691SI05
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 6
Part Number: KGB-CR640SI040
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Cam Bearings, Steel Backed Babbitt, Set
Part Number: KGB-CS532BB
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4
Part Number: KGB-MB4034SI075
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 1.8, 2.3, 2.5, 3.0L, Set of 4
Part Number: KGB-MB496AM025
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.