SMOK - TFV8 V8-Q4 Coils (Pack of 3) Smok Sale! from £10.99 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. SMOK - TFV8 V8-Q4 Coils (Pack of 3) This pack contains 3 SMOK V8-Q4 Coils, featuring a resistance of 0.15 ohms and capable of firing between 50W-180W. These coils are compatible with the SMOK TFV8 Tank.