STM McLaren Crank Wrench (STM-MCL-CW) BLOX The tubing is custom wound

The tubing is custom wound with a high modulus fiber to ensure the strength while making it small enough to clear everything under the car

designed for those who have removed the factory plastic engine covers

Vibrant Performance 45 degree union adapter fittings are available for 4AN

0L Inline 6 was engineered specifically to match the Kelford camshafts for ultimate quality

Part Number: Diagram Number: MR952211 85126

STM McLaren Crank Wrench (STM-MCL-CW) BLOX The tubing is custom woundThe STM McLaren Crank Wrench was developed in a pinch. While installing an aftermarket crank bolt on a 570S we needed something other than the factory crank lock key to hold the crank steady while bringing the torque to 400 FT LBS. This was our answer, and now you can have one in your tool box too! We recommend starting with the factory crank lock key and running the torque on your aftermarket main bolt to 165 FT LBS. Then, remove it and use the STM