Durty 30's (bell) break at ~550ft-lbs. Good enough for 37's-38's.
Longs (shaft) break at 650 ft-lbs. Good enough for 40's.
Your FToy is light enough to run 40's. Get the Longs and never worry about another upgrade, ever.
esse esta no site deles falando que alem de aço 4340 usam aço 300M
Longfields 30 spline chromoly birfield is the world's strongest for Toyota's.
They are made out of 4340 chromoly and 300M material. They allow up to 40 degrees of turning radius and have a consistant breaking point of 8900-9000 foot pounds of torque.
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