Check the pn out for specs but here is what I use for good street/light strip use the 5000 series. I use the 6000 series on my bracket car but 2.055 or 2.08 intakes.

HEAD DIA: 2.020"
STEM DIA: 11/32"
OVERALL LENGTH: 5.010"
TIP LENGTH: .256"
REFERENCES: 10o Under Cut - Dish Head - +.100"