In the late 2000s, automakers added a new type of belt to take some of the load off the serpentine belt. It’s called a stretch-fit belt, or stretch belt. GM
Gates Micro-V Stretch Fit Belt - A/C Belt (08-14 WRX, 08+ STI)
What's the Difference Between a Serpentine Belt and a V Belt
GATES Micro-V® Stretch Fit® 5PK716SF Serpentine belt 716mm, 5, EPDM (ethylene propylene diene Monomer (M-class) rubber) 5PK716, 8653-10623
Gates Micro-V Stretch Belt AC 2008-2014 WRX / 2008-2021 STI
Serpentine Belts vs. Stretch-Fit Belts
What's the Difference Between a Serpentine Belt and a V Belt
What's the Difference Between a Serpentine Belt and a V Belt
Continental Elite Stretch Belts are made specifically for drives that don't have a mechanical tensioner to maintain constant belt tension or an
Continental Elite 4050272S Poly-V/Serpentine Stretch Belt
For Ford F-150 GATES STRETCH FIT MICRO-V AC Serpentine Belt 3.3L 3.5L 3.7L ab
Serpentine Belts vs. Stretch-Fit Belts
PROFESSIONAL STRETCH FIT BELT INSTALLATION TOOL - CHAIN ENTERPRISES CO., LTD
Serpentine or V-Belt: Driving Your Accessories - Chevy Hardcore
FYI, Found a good stretch-fit belt for AC w/out PS - Miata Turbo Forum - Boost cars, acquire cats.
Continental Serpentine Belt