Has 0.125" boss/standoff.
3.40" 6 rib PULLEY fits PAXTON NOVI 1000 2000 2500 SN89 92 VR4 7/8" bore 0.875"
*NOS* Weiand 142 144 177 / B&M 144 162 174 Supercharger 3.75" 6-Rib Pulley
Weiand 142 144 177 / B&M 144 162 174 Supercharger 2.85" 6-Rib Pulley
???????? Weiand 142 144 177 / B&M 144 162 174 Supercharger 3 3.8” 6-Rib Pulley
DUAL SERPINTENE ALUM WATER PUMP PULLEY 6.25 / 3 RIB & 8" / 6 RIB RACE 031412-7
Serpentine Belt Tensioner Pulley 6 Rib Groove V8 4.8L 5.3L 6.0L 6.2L Silverado
