K4GP is the unofficial car endurance race that happens in summer and winter. The class of the cars is Light displacement car (K-class: Under 660cc). There are 2 type of race: 500km 5 hrs. and 1000km 10 hrs. There are 5 different grade for act race. Many differnt kinds of K-class car will join this event.

Grades
GP-I Automatic Car
GP-II under 850cc No Turbo. Normal Car.
GP-III over 850cc With Turbo.
GP-IV R-grade car under 850cc.
GP-V R-grade car over 850cc.

Little Pistons (184)
Little Pistons is the team from Shizuoka. This is their 6th times of trials. Join GP-II.

Drivers:
Kato-chan
Satoru-chan
Yoppii
Nakai-chan