AMC 401 Pistons

401 AMC Wiseco Pro Tru Street series forged reverse dome top piston set.

This forged AMC 401 piston set is for use with a .030 oversize bore of 4.195 inches | standard stroke crankshaft of 3.680 in. | rod length of 5.858 in. | wrist pin size of 1.000 in. | Compression is 9.5-1 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 PTS540A3

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

401 AMC Wiseco Pro Tru Street series forged flat top high compression piston set.

This forged AMC 401 piston set is for use with a .030 oversize bore of 4.195 inches | standard stroke crankshaft of 3.680 in. | rod length of 5.858 in. | wrist pin size of 1.000 in. | Compression is 11.5-1 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 PTS541A3

401 AMC Wiseco Pro Tru Street series forged flat top high compression 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 11.6-1 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 PTS541A45

Standard bore size 4.165 | stock 3.680 stroke | 5.858 rod | compression 9.8-1 with 58cc head or 10.5-1 with 51cc head | 1.510 compression height | 1.000 stock size wrist pin | top ring groove 5/64; 2nd ring groove 5/64; oil ring groove 3/16 | Step Dish 28cc with 2 valve reliefs | piston weight 502 grams and wrist pin weight 157 grams

Can be used with stock press pin rods or aftermarket floating pin rods.

High strength hypereutectic piston set for use in stock and high performance engines. Set includes 8 pistons 8 wrist pins piston rings and lock rings. Part number KB419KTM