401 AMC Wiseco Pro Tru Street series forged reverse dome top piston set.
This forged AMC 401 piston set is for use with a .045 oversize bore of 4.210 inches | standard stroke crankshaft of 3.680 in. | rod length of 5.858 in. | wrist pin size of 1.000 in. | Compression is 9.6-1 with a 58cc head chamber
4032 forged aluminum with ArmorGlide skirt coating. Oversize symmetrical radiused valve pockets allow use of high lift cams and big valves. . They work with either a floating piston pin or pressed pin type connecting rod. Set includes 8 pistons, 8 piston pins, pin lock rings and premium piston rings. We also have matching 4340 Billet H beam rods to work with these 401 AMC pistons. Wiseco PTS540A45
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