Protek RC T-2134 AssociatedB74.1 Grade 5 Titanium 86 Piece Screw Kit for Upper 22 5.0 the Big Boy was forged

the Big Boy was forged under some of the most strenuous demands ever placed on a locomotive

141 Whisker® Long Underset - Metal - One Pair

For use with Tritium

1 - Power Pack

Protek RC T-2134 AssociatedB74.1 Grade 5 Titanium 86 Piece Screw Kit for Upper 22 5.0 the Big Boy was forgedProtek RC T 2134 Associated B74. 1 Grade 5 Titanium 86 Piece Screw Kit for Upper The ProTek R C AE B74. 1 & B74. 1D Grade 5 Titanium Screw Kit is an 86 piece upgrade that includes the screws needed to replace the stock hardware in the upper half of the chassis. These titanium screws are CNC machined and thread rolled to near exact tolerances from high quality 6AL 4V (Grade 5) titanium alloy material and polished to a brilliant finish. Why Titanium?