3.5In Copper Collector G askets

The Racing Power Co-Packaged 3.5-inch Copper Collector Gaskets (R7502X) are precision-engineered sealing components designed for high-performance engine intake manifold applications. This pair of copper gaskets features a 0.040-inch thickness and 3-bolt mounting pattern, delivering reliable compression sealing in demanding automotive environments where thermal cycling and pressure loads demand material integrity and consistent performance across extended operating ranges.

Copper construction provides superior thermal conductivity and malleability compared to composite materials, allowing the gasket to conform to mounting surface irregularities and maintain effective sealing through repeated heat cycles. The 3.5-inch diameter and 0.040-inch gauge are industry-standard dimensions for small-block and mid-block engine configurations commonly found in performance and restoration builds. The 3-bolt pattern ensures compatibility with legacy and modern intake manifold designs requiring precise fitment without modification.

Users rebuilding vintage hot rods, street engines, and race-prepped powerplants depend on proper manifold sealing to prevent vacuum leaks that degrade idle quality, fuel economy, and emissions control function. This pair eliminates the need for sourcing gaskets individually and ensures matched thickness across both cylinder banks. Racing Power Co-Packaged gaskets are standard specifications in engine rebuilds where authenticity, material quality, and seal reliability take priority. The compact 5.9 x 8.8-inch package fits within standard shipping and storage parameters for shop environments and enthusiast garage applications.