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Pontiac
- Main Caps
- Pontiac 350-400
- 4 Bolt
- Straight Bolts
These aftermarket main bearing caps not only strengthen factory 2-bolt blocks, but they will also add a measurable degree of strength to 4-bolt blocks. They're made from precision-machined, high-strength steel, which has the proper balance of strength and flexibility to allow for the transfer of increased shock loads to the crank and bearings. The secret is in the side bolts. They are angled so that they pull from the side walls of the block and not from the flimsy main web area. They'll also load the cap against the register step, which will prevent dreaded "cap walk." They can be installed by anyone with a hand drill and a tap and they come with the necessary bolts, washers, and drill bushing to complete the installation.
Part TypeCrankshaft Main Cap Girdle
BrandMILODON
Package Height3.2
Package Width6.3
Package Length10.2
Weight12.54 PG
Part CategoryPerformance Parts
Main Cap Retention StyleBolt
Main Cap MaterialDuctile iron
Main Cap Fastener Quantity4-bolt
Main Cap Position3-center
Machine Work RequiredYes
Main Cap Fastener StyleStraight
QuantitySold as a set
Main Cap Fasteners IncludedYes
Vendor Part Number11505
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
