Engines & Components

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN001

Not Yet Reviewed

Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Rod Bearings, XP-Series, .011 in. Crankshaft Undersize, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN011

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Covers, Original-Style, Perimeter Bolt Mounting, Steel, Blue, Ford, Small Block Windsor, Pair

Part Number: SDK-C5ZZ6A582BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Dec 26, 2025 if ordered today

Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351C, Set of 5

Part Number: KGB-MB5503XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Rod Bearings, HP-Series, .011 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN011

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Crankcase Evacuation System, Steel, Gold Iridited, Universal, Kit

Part Number: MRG-6002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Valve Covers, Stock Height, Steel, Chrome, Plain, Ford, Small Block, Pair

Part Number: MRG-9804

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.030 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft Main Bearings CHEVROLET V8 400 16v

Part Number: KGB-MB5224AM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.010 in. Crankshaft Undersize, Chevy, Big Block, Set of 8

Part Number: KGB-CR808XPND010

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Main Bearings, CP-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Ford, 7.3L, Diesel, Set of 5

Part Number: KGB-MB5263CP010

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Nissan, 3.0L, Set of 6

Part Number: KGB-MB4104XP

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Crankshaft Pulley, V-Belt, 2-Groove, Steel, Chrome, Chevy, Small Block, Long Pump, Each

Part Number: MRG-4977

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Rod Bearings, King SM-Series Rod Bearings, Stock Size, Bi-Metal, Mini, Sold as a Set of 4

Part Number: KGB-CR4633SM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearings, SI-Series, Standard Size, Bi-metal, Silicon Aluminum, Chevy, 4.8, 5.3L, Set of 5

Part Number: KGB-MB5766SI

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Rod Bearings, XP-Series, Copper/Lead/Alloy, 0.020 in. Crankshaft Undersize, Chevy, Big Block, Set of 8

Part Number: KGB-CR808XPN020

Not Yet Reviewed

Main Bearings, XP-Series, Standard Size, Chevy, 400, Set of 5

Part Number: KGB-MB509XP

Not Yet Reviewed

Valve Covers, Chrome, Perimeter Bolt, Holley Logo, Steel, Plated, Baffled, Chevy, Gen I, 283ci, 302ci, 305ci, 307ci, 327ci, 350ci, 400ci, Pair

Part Number: HLY-241-80

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Valve Covers, Steel, Black, Plain, AMC, Pair

Part Number: MRG-9830BMRG

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Rod Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 265, 283, 302, 327, Set of 8

Part Number: KGB-CR803XPNSTDX

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Alternator Bracket, Steel, Black, Header Mount, Drivers Side, Short Water Pump, Chevy, Small Block, Each

Part Number: HOK-10927HKR

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Main Bearings, King XP-Series Coated Main Bearings, Stock Size, Tri-Metal, Toyota, Sold as a Set of 7

Part Number: KGB-MB7084XPC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow