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Crankshaft Pulleys & Harmonic Balancers

Keep your drive belt system in check by replacing your BMW's crankshaft pulleys and harmonic balancers.
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ALTA Crank Pulley - 2% - R52 R53
ALTA Crank Pulley - 2% - R52 R53
Alta Performance - Corporate Logo
T#:26238480
Part#: AMPENG520
In Stock
$ 129.99 USD
Free Shipping on orders $49 and up
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$ 129.99 USD
Free Shipping on orders $49 and up
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Enhance the performance of your Mini with the ALTA Lightened Crank Pulley (LCP), engineered to increase horsepower and torque. Available in 0% Stock Sized and +2% Oversized options, this pulley is crafted from 6061T6 aluminum, weighing only 0.65 lbs. Significantly lighter than the stock crank pulley, the ALTA LCP ensures improved engine efficiency without adding vibration or noise. The +2% Oversized pulley provides additional boost for Supercharged Cooper S models, delivering safe and reliable performance. With increased belt contact, this pulley reduces wear and enhances durability, making it a must-have upgrade for Mini enthusiasts.

  • Increases horsepower and torque
  • Lightweight 6061T6 aluminum construction
  • Available in 0% Stock Sized and +2% Oversized options
  • Does not affect charging system
  • Improves engine efficiency and performance
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M7 Lightweight Crank Pulley - Stock Size
M7 Lightweight Crank Pulley - Stock Size
M7 Speed - Corporate Logo
T#:12774050
Part#: 53-3M7101-0
In Stock
$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 140.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
$ 159.99

This product was last offered at the strikethrough price on
08-31-2026

$ 140.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List

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