Crankshaft Top Performances 39.2mm x 85mm
SKU: 9926170
$279.99
Description
Top Performances High Quality Full-Circle Crankshaft with 39,2mm stroke and 85mm connecting rod for 12mm piston pin. Suitable for High end 70cc and Big Bore 77cc Cylinder kit that require 85mm conrod cranksaft (Stage6 R/T 70, 2Fast 70cc, Polini Big Evolution 70cc, TPR 77cc...). Attention! Small end bearing size is 12x15x15mm. Variator splain have same size as OEM (13mm). One of the unique features characterizing high-end crankshafts is the use of Tungsten weights instead of standard inserts for balancing.