From the NHRA Approved Parts List:

Manufacture Part # Big End Small End Length Weight
Eagle CRS6760C3D 2.5 1.094 6.76 875g
Molnar DH6760YYB8-A 2.5 1.094 6.76 849g

Not sure how accurate the weights are, but this is 26g each rod.

Floyd Lippencott IV