2003-11 M113K AMG Mercedes 77mm, Belt Wrap Kit , & 5 pc idler kit bundle!
Ultimate Performance bundle kit, includes, all Silver aluminum billet 77mm supercharger pulley, Belt wrap kit with HD GREEN belt and Silver 5 piece idler kit bundle. The perfect package to add big power and belt wrap kit to help from preventing belt slip and 5 pc idler kit for protecting your ride form the dreaded stock idler pulley failure . . Designed to stop the slipping of the belt under boost pressure to maintain maximum boost under full throttle and brace the weak factory double idlers, that are known to fail. Specs:
Fits 2003 - 2007 AMG Mercedes 55K Models
The patented and original Ultimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 60-70+ rear wheel hp and torque gains, while maintaining a safe level of boost and supercharger rpm. Pulley upgrade offers excellent driveability and does not adversely affect highway mileage.
Increases horsepower and torque
35% lighter than factory pulley, reducing rotational mass
Reduced rotational mass increases supercharger longevity
77 mm diameter
Easy to install
Special coating reduces belt slip
Improved nitride coated clutch, plate and spring design
Tune required with all boost increases. Ask for our M113k tunes .
77 mm in size
up to 3+ psi increase with tune (as compared to a stock supercharger pulley)
Weight: 2.5lbs (one pound less than stock 3.5) ~28.5% reduction in weight
Equates to 180mm crank pulley in power but much less rotating mass! Made in USA by UPD (not offhsore)
Belt wrap kit:
- Prevents loss of boost under full throttle , thus increasing power equally across the power band.
- Easier and consistent tuning Increases belt wrap on both crank and supercharger pulleys
- Kit comes with instructions, all hardware, 1 idler pulley and brackets
- reduces slip and improves boost from 1-2.5 PSI
- ultra high quality and on the market longer than any other kit
- on the market for 10 years now!
- Increases tune ability
- Please provide crank pulley size to get correct belt size
- Easy install
The UPD high performance M113K 5 piece idler set will replace ALL your stock plastic/metal double idler pulley assembly, supercharger tensioner pulley, serpentine tensioner idler and serpentine idler with a high quality CNC billet aluminum machined performance pulley set. High quality Nachi bearings are used and only double bearings seals are used to protect bearings from heat and dirt. All our billet performance idlers have a ultra hard anodized coating.
- CNC billet aluminum with hard anodized coating
- High speed Nachi bearings
- Smooth and quiet running
- Easy install
- Made in USA and highest quality available
Replace your idlers with UPD`s performance idler set today, as the stock AMG plastic idler`s, with rubber bearing seals are known to fail from the high heat and dirty conditions under the hood.