Mature product, the quality is no doubt 

 Long-term production of piston pins, Cummins k19, 6ct, 6bt, nh220, so Steyr diesel engine on the full range of annual production, the quality of the factory warranty! 

 Piston Engine Parts Auto Parts 

 The length of the piston pin diameter * 

 16 * 53 20 * 61 25 * 67 32 * 85 
 17 * 56 20 * 65 25 * 64 32 * 72 
 18 * 59 21 * 66 25 * 66 33 * 78 
 56.5 18 * 60 21 * 25 * 67 33 * 73 
 18 * 61 21 * 70 26 * 63 34 * 78 
 19 * 52 21 * 72 27 * 64 34 * 82 
 19 * 56 22 * ??66 27 * 70 34 * 84 
 19 * 58 22 * ??62 27 * 6134 * 85 
 16 * 63 22 * ??75 28 * 73 35 * 85 
 23 * 77 29 * 75 36 * 79 
 24 * 70 29 * 6536 * 93 
 30 * 79 38 * 93 
 30 * 78 39 * 90 
 30 * 80 40 * 87 

 Sizes are part of the export product size, for reference only