Prevent belt slip issues on your 3.8L Whipple Supercharged 2020+ Shelby GT500 with this ultra lightweight pulley upgrade from GripTec!
GripTec Micro technology is a multi-directional micro ablation machining process that's applied to the ribs of the pulley giving them maximum gripping force. This process helps minimize belt slip.
Manufactured in the USA, using high-quality billet aerospace aluminum, GripTec's pulley is made with strength and durability in mind. Precision machined; this pulley is designed to allow maximum grip force without damaging your belt.
-GripTec 10-Rib Bolt-On 3.8L Whipple Supercharger Pulley
-Griptec L3 Finish on Ribs
-American made with high-quality billet aerospace grade aluminum
These pulleys are only for use with the Whipple Supercharger 10-Rib Pulley System Upgrade for the 2020+ Shelby GT500.
The following are the boost levels at 7,500 RPM with a 10% Overdrive Balancer at sea level.
20lbs - 3.875" 10-Rib Pulley
21lbs - 3.750” 10-Rib Pulley
22lbs - 3.625” 10-Rib Pulley
23lbs - 3.500” 10-Rib Pulley
24lbs - 3.375” 10-Rib Pulley
25lbs - 3.250" 10-Rib Pulley
26lbs - 3.125” 10-Rib Pulley
27lbs - 3.000” 10-Rib Pulley
28lbs - 2.750” 10-Rib Pulley