Autotec domed top pistons are manufactured on forged side relief, 4032 low expansion, high silicon material excellent for street or strip applications, fitting most 20° heads.
Autotec dished top pistons feature:
CNC precision machined ring grooves for 1.5 1.5 3.0mm low friction rings.
Top ring land gas distribution grooves serve to enhance performance and improve ring seal.
.912 or .927 diameter, 2.700 long, 51 series steel wrist pins with pin fit, wire locks, broached pin oilers, and gas accumulator grooves included at no extra charge.
