AUTO TEC SMALL BLOCK CHEVY 4.125 BORE DOME PISTONS

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Pistons are Manufactured on 4032 High Silicone material forgings that are excellent for street and strip applications. CNC Precision machined ring grooves for 1.5, 1.5, 3.0 rings. Top ring land gas distribution grrove to enhance performance and improve ring seal. 927-2700-51-15C wrist pins (130 Grams), pin fitting, wire locks, broached pin oilers, and accumulator groove are included. Diamond turned skirts. Forged side relief with external lightening cavities where available. American made. Cubic Inch Bore Size Over Size Stroke Rod Length Comp. Height 58cc 64cc 70cc Dome Volume Gram Weight Foot Notes Piston Part Number Street Ring Set 400 4.125 STD 3.750 5.565 1.560 14.1 13.0 12.0 4.8 Call S 1000218 AT 4125 405 4.145 0.020 3.750 5.565 1.560 14.1 13.0 12.0 4.2 Call S 1000219 AT 4145 407 4.155 0.030 3.750 5.565 1.560 14.1 13.0 12.0 3.8 Call S 1000220 AT 4155 409 4.165 0.040 3.750 5.565 1.560 14.1 13.0 12.0 3.5 Call S 100