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Supercharger Pulley Upgrades

One of the easiest and most rewarding engine performance upgrades you can do for your Gen 1 MINI Cooper is by adding speed increasing pulleys to your supercharger drive system. MINI did this trick on the first generation JCWs. M7 Speed offers a 16% overdrive for the supercharger as well as a lightweight 4% crankshaft pulley to really add quick revving performance to you MINI. These are the best designed, best fitting and highest quality pulleys available for MINI on the planet. WE GUARANTEE IT!

Speaking of crank pulley. The number one failure on all Gen 1 MINIs is the factory crank pulley. And when it fails you are stuck....dead in the water....end of game. When failure happens hope it does not cause catastrophic damage to your engine. Before this end of life event happens we recommend you replace your crank pulley with a super lightweight M7 Speed Crank Pulley or an ATI Super Damper. The ATI units are world leaders in high performance crank dampers and are offered in a standard pulley size as well as a 2% overdrive.

Remember to select the proper size belt when replacing any crank pulley.

M7 Speed is committed to supporting US manufacturing. We are proud to say all our pulley are make in The USA!

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