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Katech has been working with the LS1 since the race program began in 1997
This Kit offers everything to need to Install your new Factory or KC Turbo
Socket Size: 7/16 12pt
A competition oiling system ensures adequate lubrication to the main bearings at high RPM
and threads to ensure even torque across all fasteners
2004-2007 Cummins 5.9L Main Stud Kit (247-5403) 1989 - 1998 Dodge Engine Components Katech has been working with2004 2007 Cummins 5. 9L Main Stud Kit (247 5403) ARP recommends the use of main studs over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don't "twist" into the block. All clamping forces are on one axis. By the same token, there is less force exerted on the block threads, which contributes to improved block life. Finally, the there are factors of easier engine assembly and
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