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VAC - S50/ S52, M50 / M52 Underdrive Power Pulley Set

$299.95

Purchase VAC - S50/ S52, M50 / M52 Underdrive Power Pulley Set

VAC - S50/ S52, M50 / M52 Underdrive Power Pulley Set Our Underdrive Power Pulley Sets release 10 horsepower @ 6900 RPM and 8 lb/ft of torque @ 5500 RPM (measured to the wheels!).

Always made using only virgin billet aluminum, a handsome anodized finish, and the tightest tolerances; our pulleys are used on some of the fastest BMWs on the planet.
Our very lightweight design optimizes performance and response while under-driving components just the right amount for proper function at all RPMs. Quality is always #1, and you can be sure these pulleys will fit right and last a lifetime, replacing BMWs crack prone plastic pulleys.

  • Great for street cars, durable enough for the fastest race cars and years of abuse
  • Saves weight and add HP when every bit counts
  • Includes new, correct length and labeled, Contitech OE belt for WP, ALT, P/S
  • OEM crank harmonic dampener is maintained for un-failing reliability in all conditions
  • Pulleys are quality made from 6061 T6 Billet Aluminum
  • Alternator pulley is sleeved with a black oxide coated alloy insert to prevent alternator slippage for high HP, high RPM use, a VAC exclusive design.

    Purchase VAC - S50/ S52, M50 / M52 Underdrive Power Pulley Set

    • SKU: VAC-UPPS-E36
    • Engine Model: M50; M52; S50; S52
    • Alternator Type: Bosch; Valeo
    • Engine Type: M50 M52 S50 us S52 us

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