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SKU: AMP-ENG-195BK
ALTA 02-06 Mini Cooper S/JCW & 02-08 S/JCW Convertible R53 Tensioner Stop (Adjustable)
The ALTA Tensioner Stop limits supercharger belt tensioner over-travel on R53 chassis Minis. It fits 2002-2006 Mini Cooper S and JCW models plus 2002-2008 Cooper S and JCW Convertibles with GP1 superchargers. This adjustable aluminum piece maintains proper belt tension for reliable power delivery and longer belt life during high-boost runs.
Key Features
- Adjustable Design: Threaded adjustment allows precise tensioner stop positioning to match belt stretch and pulley wear
- CNC Machined Aluminum: 6061-T6 billet construction withstands high RPM and boost without flexing or breaking
- Over-Travel Prevention: Stops OEM plastic adjuster from crashing into supercharger pulley preventing belt throw-off and damage
- Black Anodized Finish: Durable corrosion-resistant coating matches engine bay aesthetics and resists wear
- Direct Bolt-On Fit: Replaces stock setup in minutes with no modifications required for supercharged R53 engines
Product Notes
- Inspect supercharger belt condition before installation and replace if cracked or glazed
- Torque to 10 ft-lbs during adjustment and recheck after 100 miles
- Ships in protective foam packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Loosen belt tensioner pulley bolt first then install stop behind adjuster arm
- Includes M6 hardware compatible with stock tensioner bracket
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Mini | Cooper S | R53 Supercharged |
| 2002-2006 | Mini | Cooper S JCW | R53 Supercharged |
| 2002-2008 | Mini | Cooper S Convertible | R53 GP1 Supercharged |
| 2002-2008 | Mini | Cooper S JCW Convertible | R53 GP1 Supercharged |
Why Choose ALTA?
- 20+ years engineering Mini-specific performance parts
- Tested on track and street for boost levels over 15 psi
- Precision CNC machining ensures perfect fit every time
Frequently Asked Questions
-
Q: Will this fit my 2007 R52 convertible Mini S?
A: Yes it fits all 2002-2008 R52/R53 supercharged convertibles with GP1 pulley including S and JCW models -
Q: What material is the tensioner stop made from?
A: Billet 6061-T6 aluminum with Type II black anodizing for strength and engine bay durability -
Q: Does installation require special tools or belt removal?
A: No special tools needed loosen tensioner bolt install stop and readjust belt tension in under 30 minutes
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: 6 x 4 x 2 inch box with foam inserts
- Weight: 0.3 lbs
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