Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries For Our 25th Anniversary Sweepstakes!
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries For Our 25th Anniversary Sweepstakes!
Includes accessory and supercharger belt idler pulleys
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Complete assembly with new pulley
We Price Match - Give Us A Call or Chat!
Eliminate weak factory plastic idlers with the UPD M113K Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Complete assembly with new pulley
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
02-22-2026
Eliminate weak factory plastic idlers with the UPD M113K Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Includes accessory and supercharger belt idler pulleys
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
21.36x2380mm
We Price Match - Give Us A Call or Chat!
From Chassis: 137112
This product was last offered at the strikethrough price on
03-28-2026
28.45x1289mm - 8PK1289
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
04-13-2026
28.45x1289mm
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-02-2026
Featuring Weistec 8 Rib Belt Tensioner. Made in the USA!
Replacement Supercharger Belt for Weistec Supercharged M113K with 67.5mm upper, and Stock (150mm) Lower.
Replacement Supercharger Belt for Weistec Supercharged M113K with 67.5mm upper, and Stock (150mm) Lower.
21.36x2449mm
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-02-2026
21.36x2380mm
From Chassis: 137112
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-02-2026
28.45x1289mm