Same 6.5-inch, 8-rib LS serpentine pulley, but with the STR offset instead of the 1.250.
- Pump: Hi-Vol T-pump
- Size: 6.5
- Drive: serpentine, 8 ribs
- LS, STR offset
- Requires P#335 steel hub
Howe's price list says its Hi-Vol T-pump pulleys require the P#335 steel hub, which is sold separately, so add that to your order.
Howe Performance part number 355.