AUTO TEC SMALL BLOCK CHEVY 4.125 BORE FLAT TOP PISTONS

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Pistons are manufactured on 4032 High Silicone material excellent for high horsepower. CNC Precision machined ring grooves for 1.5, 1.5, 3.0 rings. Top ring land gas distribution groove to enhance performance and improve ring seal. 927-2800-51-15C wrist pins (145 grams), pin fitting, wire locks, broached pin oilers and accumulator grooves are included. Diamond turned skirts. Forged side relief with external lightening cavities. 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 372 4.125 STD 3.480 5.700 1.560 11.5 10.7 10.0 -5.0 Call S 1000178 AT 4125 375 4.145 0.020 3.480 5.700 1.560 11.6 10.8 10.1 -5.0 Call S 1000179 AT 4145 377 4.155 0.030 3.480 5.700 1.560 11.7 10.8 10.1 -5.0 Call S 1000180 AT 4155 379 4.165 0.040 3.480 5.700 1.560 11.7 10.9 10.2 -5.0 Call S 1000181 AT 4165 372 4.125 STD 3.480 6.000 1.260 11.5