VCT Bump for RB25/Neo to RB26 Valve Cover Conversion Upgrade your RB25 or RB25 Neo engine with this VCT bump, designed to allow the fitment of RB26 covers onto your engine. The VCT hub on the intake cam typically causes clearance issues with the RB26 valve cover, but this simple modification solves the problem. Key Features: Made from 6061 Aircraft-Grade Aluminum: Lightweight, durable, and easy to paint to match your engine bay. Fixes Clearance Issues: The VCT bump provides the necessary clearance for the VCT hub when swapping RB26 valve covers onto an RB25 or RB25 Neo engine. Precise Fitment: Includes a locating lip for easy, accurate installation. Once in place, it can be glued or welded to the timing cover for a secure fit. Customization: Perfect for enthusiasts who want the aesthetic of RB26 covers without compromising on functionality. Installation Instructions: Mark the Center for the VCT Hub:Locate the yellow dots on the image to find the center of the VCT hub, and draw a cross to mark the spot. Double-check alignment with your application to ensure the hole is positioned correctly. Drill the 76mm Hole:Use a 3” (76mm) hole saw to cut out the necessary hole for the VCT hub. Start by drilling a 4mm pilot hole to mark the exact center of the VCT hub. Install the VCT Bump:After drilling the hole, place the VCT bump onto the cover. The bump features a locating lip that ensures proper alignment. Secure the VCT Bump:Once aligned, either glue or weld the VCT bump into place to secure it to the timing cover. Finish the Modification:After the VCT bump is secured, apply a fresh coat of paint to complete the conversion and match the look of your engine. Benefits: Custom Fitment: Allows the use of RB26 valve covers on RB25/Neo engines, making it perfect for engine swaps or upgrades. Improved Aesthetics: Keeps your engine looking sleek while maintaining the functionality of the VCT hub. Durability: Made from 6061 aircraft-grade aluminum for a lightweight and strong solution that won’t fail over time.
