Peace of Mind with PRW Main Cap Studs Kit for LS Engines

Peace of Mind with PRW Main Cap Studs Kit for LS Engines

The internet has had an explosion of “factory sealed” and “stock bottom end” (SBE) records come onto the scene recently. While their astronomically high horsepower numbers are boldly plastered on every forum, rarely is their longevity.  Attaining big dyno numbers and low 1/4-mile times might be the goal for some, but for others, the ability to enjoy a high-performance motor for years is a much better feeling. Swapping out main bolts to a set of main studs might just be the ticket for the latter.

Worry-Free Main Studs

Main studs thread into a block one time before being ready for use. This is crucial for extending the life of your block, especially for aluminum blocks. Removing the twist and torque method with a nut tightening means only stretching in one direction. Most importantly though, main caps allow for main cap alignment with ease.

Performance Racing Warehouse

Thankfully, the people at Performance Racing Warehouse (PRW) recognize those looking to properly build their motor. PRW’s main goal is to provide high-performance aftermarket parts that are value-priced but most importantly kept in stock. Their latest product is a main cap stud kit for 6 bolt main Chevrolet-GM 4.8, 5.3, 5.7, and 6.0-liters engines.

Starting with a foundation of custom grade 4150 steel rated aircraft-quality, the studs are heat-treated to 180,000 psi. The studs are then placed between two rotary grinding wheels to ensure perfect alignment and straightness, a process known as centerless grinding. The Studs are rolled thread, instead of traditionally cut, reducing fatigue and possible stripping.

To Main Stud or not to Main Stud

Main studs provide numerous benefits from proper torquing to better main alignment. It allows you to prevent main walking and extends your block’s thread life. Main studs even have a higher tolerance than OEM main bolts. The benefits far outweigh the minimal cost of $199.50 and provide cheap insurance and peace of mind on any build.

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About the author

James Elkins

Born into a household of motorsport lovers, James learned that wrenching takes priority over broken skin and damaged nerves. Passions include fixing previous owners’ mistakes, writing, and driving.
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