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HOLIDAY HOURS
We will be closed December 25, 2025 - January 4, 2026.
CHOOSE CURRENCY 
$599.00
FITS ALL 3.0 & 5.0 SUPERCHARGED AJ126 & AJ133 ENGINES EQUIPPED WITH OEM GROOVED ‘LATE’ TENSIONER
PLEASE NOTE: THIS IS NOT A DIRECT REPLACEMENT FOR OEM SMOOTH ‘EARLY’ TENSIONER.
THESE REQUIRE ONE OF THESE OEM LATE MODEL TENSIONER BRACKETS:
Please note that not all vehicles conform exactly to published specifications, and many vehicles on the road may have mixed or non-OEM components. We always recommend verifying that your vehicle’s belt tensioner is operating within its designed range, specifically, that the tensioner arm falls near the midpoint of its sweep when installed with the correct belt length and routing, to ensure proper tension and long-term reliability.
Upgrade your supercharger drive belt tensioner – for higher HP applications or just for peace of mind and maximized OEM performance.
The Tensioner assembly & belt routing on the JLR 3.0L & 5.0L Supercharged engines is set up in a way that doesn’t produce as much belt wrap on the upper pulley as other similar applications. Our team has noted evidence, especially on early cars, of the belts rubbing on the tensioner body even on completely original unmodified vehicles. JLR uses the upper idler pulley to clearance the tensioner body, but all this does is reduce belt contact on the top supercharger drive pulley.
Through extensive datalogging with our proprietary VAP developed system, we have seen evidence of belt slippage in boost pressure logs on many cars.
As OEM tensioners wear out this can cause problems with slippage and premature belt failure. Especially on modified applications with higher drive rates on the OEM superchargers and on higher load applications like the TVS 2300. In order to handle this load, a stronger tensioner is required.
FITS ALL 3.0 & 5.0 SUPERCHARGED AJ126 & AJ133 ENGINES EQUIPPED WITH OEM GROOVED ‘LATE’ TENSIONER
PLEASE NOTE: THIS IS NOT A DIRECT REPLACEMENT FOR OEM SMOOTH ‘EARLY’ TENSIONER.
THESE REQUIRE ONE OF THESE OEM LATE MODEL TENSIONER BRACKETS:
Please note that not all vehicles conform exactly to published specifications, and many vehicles on the road may have mixed or non-OEM components. We always recommend verifying that your vehicle’s belt tensioner is operating within its designed range, specifically, that the tensioner arm falls near the midpoint of its sweep when installed with the correct belt length and routing, to ensure proper tension and long-term reliability.
REQUIRED COMPONENT OF TVS 2300 SUPERCHARGER REPLACEMENT KITS ON 5.0 SUPERCHARGED APPLICATIONS
| Weight | 2 lbs |
|---|---|
| Dimensions | 8 × 8 × 8 in |
We will be closed December 25, 2025 - January 4, 2026.
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