Induction-hardened integral valve seats are found on _____ cylinder heads.
A) aluminum
B) cast iron
C) both "aluminum" and "cast iron"
D) neither "aluminum" nor "cast iron"

Question

Quizplus · Accepted Answer

Induction-hardened integral valve seats are typically found on cast iron cylinder heads because cast iron can withstand the induction hardening process, which is used to increase the durability of the valve seats.

Induction-Hardened Integral Valve Seats Are Found on _____ Cylinder Heads