TSP 4.125" Stroke Forged Crankshaft, 4340 Steel, 6-Bolt Rear Flange, Wet SumpTexas Speed & Performance's forged 4340 steel 4. 125" stroke crankshaft is an excellent choice for customers looking to build a forged engine with excellent durability! All TSP cranks feature a 2. 100" rod pin with a . 125" fillet radii and weigh 52 lb. This crank offers excellent consistency and durability, and it is a great choice for customers looking to build an engine up to 950 HP. Your choice of 24x or 58x reluctor wheel. Standard snout for wet
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