Alternator Tensioner Arms Evo 4/5/6/7/8/9 STM Tuned Inc. I use only Gates racing

I use only Gates racing belts

sound and strength

If you are sick of dealing with the 680 small batteries and charging them every week if you don't drive your car

This battery kit fits with the STM upper intercooler pipes and all STM intake kits

Alternator Tensioner Arms Evo 4/5/6/7/8/9 STM Tuned Inc. I use only Gates racingDelete the OEM tensioner, converts your alternator to be the adjustment point. Benefits are 2. 2lbs lighter, less belt drag, and no more throwing belts form the OEM auto tensioner spring that becomes week and opens up under high RPM mainly for higher HP revving cars. Comes with the new tensioner arm, 3 OEM correctly sized titanium bolts and a new belt. I use only Gates racing belts. I have most configurations so all Ill need to know is what pulleys