Comp Cams 1/2-Inch Rocker Stud and Trunnion Retro-Fit Kit (06-13 Corvette C6 Z06; 08-13 6.2L Corvette C6, Excluding ZR1)

Description

High-performance valve train upgrade. The Comp Cams 1/2-Inch Rocker Stud and Trunnion Retro-Fit Kit enhances the stiffness and stability of the valve train in SBC and BBC engines equipped with Ultra Pro Magnum™ or Ultra Pro Magnum™ XD rocker arms. It improves valve motion and overall engine performance by providing a more rigid mounting solution compared to standard 7/16″ studs. This kit is ideal for racers and engine builders seeking maximum valve train stiffness without using stud girdles.

Construction and appearance. The kit includes 1/2″ ARP studs, replacement trunnions, polylocks, bearings, and snap rings, all engineered to precise specifications for durability and performance. High-quality materials ensure strength and wear resistance, while the components exhibit a clean, professional finish suitable for both race and street applications.

Installation. Installation is straightforward with no drilling required, making it suitable for experienced enthusiasts and professional engine builders. The kit provides all the necessary components to rebuild and upgrade existing rockers efficiently.

Warranty. This product comes with a 12-month warranty, reflecting confidence in its lasting performance.

Application. Specifically designed to fit 06-13 Corvette C6 Z06 and 08-13 6.2L Corvette C6 models, excluding the ZR1 variant. This kit addresses unique valve train stiffness requirements and complies with relevant rules regarding stud girdle usage.

Comp Cams 13706-KIT

CA Residents: WARNING: Cancer and Reproductive Harm

• Greatly increases the stiffness and stability of any SBC or BBC Ultra Pro Magnum™ or Ultra Pro Magnum™ XD rocker valve train far beyond that of a 7/16″ stud
• Provides a stiffer valve train to achieve maximum valve motion in SBC or BBC engine applications utilizing Ultra Pro Magnum™ or Ultra Pro Magnum™ XD rocker arms
• Ideal for anyone looking for more stiffness with stud mount rockers
• Originally designed for applications competing in the NHRA Stock Eliminator class
• Perfect choice for users whose sanctioning body’s rules do not allow stud girdles
• Features 1/2″ ARP studs, 1/2″ replacement trunnions, 1/2″ replacement polylocks, new replacement bearings, and new replacement snap rings
• Includes everything required to switch over to the new studs and freshen and rebuild your rockers
• Can also be used to retrofit old Pro Magnum™ or older Hi-Tech Stainless Steel Rockers™
• Fits 06-13 Corvette C6 Z06; 08-13 6.2L Corvette C6, excluding ZR1