The PSR Holden Commodore VN-VP-VQ IRS Stage 1 Handling Kit is the ultimate starting point for any classic Commodore enthusiast looking to transform their vehicle's dynamics. Centred around the highly capable XYZ Racing Coilovers, this package provides unmatched height and damping adjustability to dial in your stance. By carefully pairing industry-leading hardware engineered specifically for the early IRS Commodore chassis, we have pieced together the best bang-for-your-buck package to dramatically improve road feel and handling without sacrificing your daily comfort.

To ensure the classic Commodore IRS suspension behaves predictably, this kit includes Solid Cradle Bushes for the rear. This crucial upgrade locks the rear subframe firmly to the chassis, drastically reducing the notoriously sloppy subframe movement and power-sapping wheel hop common to early IRS models like the VQ Statesman and VN-VP series. Moving to the front, we address braking stability by including upgraded Strut Rod Bushes. This instantly reduces front-end deflection under heavy braking, ensuring your steering remains direct and true. Combining these foundational upgrades sets a perfectly balanced starting point for your build.