Compatible with LSA/ZL1/Magnuson 2650 Superchargers using LSA Offset

10-rib crank pulley stock Dia. 10.00 dia. with 10 Rib.

Flex Drive Belts 

• LSA/KONG with 3.25 through 2.625 Upper Pulley - 72.00" / Continental 4100720
• Magnuson Hot Rod with 3.00 Upper Pulley - 80.5" / Continental 4100805
• Whipple WK-1810 (JD) with 4.00 Upper Pulley - 79.25"-80.50" / 10PK2050
• Whipple WK-1810 (JD) with 3.00 Upper Pulley - 77.20" / Continental