PRO Radiator Insulators - Red

Prothane PRO Radiator Insulators - Red Overview Protect and stabilize your cooling system with Prothane PRO Radiator Insulators , designed specifically for 1968–1987 GM Big Block applications. These high-performance insulators reduce vibration, prevent metal-to-metal contact, and help maintain correct radiator position for improved cooling efficiency. Key Features Direct fit for 68–87 GM Big Block radiators — no trimming required Durable, high-density polyurethane construction resists oil, coolant and ozone Red finish for a clean, OEM-plus appearance and easy visual inspection Vibration dampening to extend radiator and hose life Easy installation — bolted or pressed into existing mounting points Benefits These insulators deliver long-lasting performance, superior resistance to deformation and better thermal stability than rubber alternatives. Maintain proper radiator alignment, reduce chafing and leaks, and keep your classic GM Big Block running cool under heavy loads. Why Choose Prothane Prothane is trusted by enthusiasts and professionals for engineered polyurethane solutions that outperform OEM rubber. Choose the PRO Radiator Insulators — Red for reliable fitment, lasting durability and improved cooling system longevity.