This main cap stud is designed for GM Gen III and Gen IV LS engine builds and provides the option for a windage tray installation. It secures the main bearing caps, ensuring proper crankshaft alignment and main-cap retention. The windage-tray-provision version accommodates oil-control pan hardware when used in high-performance or high-RPM builds. Sold individually, the correct quantity must be ordered for full main-cap coverage.

Brian Tooley Racing BTR60273 Features:

• Fitment: GM Gen III and Gen IV LS-series engines
• Main cap stud with built-in windage tray provision — supports installation of windage-tray systems
• Direct-fit replacement for factory main cap bolts/studs
• Suitable for standard builds, performance engines, or high-RPM applications requiring enhanced oil control
• Sold individually — 10 studs required per engine for full main cap coverage

Brian Tooley Racing BTR60273 Notes:

• Sold individually; order 10 for a complete engine main-cap set
• Proper torque and assembly procedures required during installation
• Windage tray hardware not included — additional components required to utilize windage tray function