M7 Speed

53-3M7101-2

M7 Speed 2% Overdrive Crank Pulley. 2002-2006 Supercharged Mini Cooper S

EAN: 0680596520788

UPC: 680596520788

Power Pulleys

Lightweight (12 ounces | 0.75 lbs). Save 6.25 lbs from stock! Less inertia-better rsponse
Increases supercharger speed 2% -increasing horsepower and torque
Micro V-Belt grooves are machined to exacting SAE J1459 specifications
Supplied with a brand new high quality ARP bolt and precision ground flat washer
Made in the USA from US material by US craftsman

This beautiful design is a result of advanced computer modeling and high precision CNC machining. Made in the USA from billet 6061-T6 aerospace grade aluminum alloy and finished with a deep black anodize coating and laser etching, the M7 Speed oversize - speed increasing pulley will add power and performance to your Mini. The Micro V-Belt grooves are machined to exacting SAE J1459 specifications for minimum belt slippage at maximum boost. Weighing in at a scant 12 ounces, the lightweight M7 Speed 2% Crank Pulley assists in reducing rotational mass, which equals increased horsepower, torque and throttle response. Use this in combination with the M7 Speed 16% Supercharger Technology Pulley for maximum performance and boost yourself to the next level of MINI tuning and performance. Just redesigned for 2014, the M7 Speed crank pulley is engineered with an interference fit onto the crankshaft eliminating pulley slippage on the crankshaft. From the factory, the Mini suffers from no positive drive key on the crankshaft snout to drive the lower pulley. The factory pulley is press fit onto the crank. All aftermarket pulleys are slip fit at best and relay on the bolt to provide adequate clamp force to prevent the pulley from slipping. Well the bolt cannot do that and all aftermarket pulley slip....reducing supercharger RPM and killing power. Simple to install. Heat the pulley to 275/300oF (135/150oC) in your kitchen oven or using a small propane torch and heat gun and the pulley will drop straight onto the crank. When it cools it will be super tight onto the crank. Finish the installation with the supplied ARP bolt and precision flat washer and presto.....more power, more reliability and more overall performance for your supercharged Mini Cooper.

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