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Your cart is empty.Polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components.
Jason S. Riley
2025-08-18 12:20:16
I put a set of these Prothane mounts in my '04 Cavalier (yes, it does fit despite Amazon saying it doesn't.) with the GMPP supercharger with 2.9" pulley and a few other small mods. This one mount got ovaled out a bit where the center piece goes through and it started making a clunking sound when I'd press or release the gas. The engine mount and rear trans mount are still nice and solid. The total movement in this one was about 1/16 to 1/8", but the polyurethane is hard enough that it makes a racket. It was installed in the car for about 30k miles/4 years before this started. I'd like to give 4.5 stars because of this, but that rounds up to 5.These are a must if you add any power, the stock rubber mounts flex WAY too much at 250 HP and even quite a bit back at 145 HP. They increase the vibration felt inside the car quite a bit, but that's to be expected. Still much smoother than solid steel mounts.
Warren Rust
2025-05-14 15:54:31
great product
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