• A&I rotor vane kits use 3/8" hardware throughout. If installing on a Lowen/ A&I rotor cone, no modifications will be needed. If installing on a OEM rotor cone, 5/16" holes will need to be drilled out to 3/8"
• Vane transport bolts torque 30 to 35 ft lbs
https://aws.epartdirect.com/abs/files/c904/019b4d3b-be8b-7189-a32e-8ea5948bf966.pdf