Hot Wheels Custom Small Block
Kevin Cao designed the Hot Wheels Custom Small Block. The casting has been around since 2021: 6 releases spread over 3 years, the most recent from 2023.
- 6 versions
- first released 2021
- 0 videos
All of them are mainline cars.
6 different paint jobs are named in our sources.
Tick two releases to compare them side by side.
| Compare | No. | Model | Series | Series # | Toy # | Color | Year | ||
|---|---|---|---|---|---|---|---|---|---|
| 131 | Custom Small BlockGRX43 · Red New | Experimotors | 10/10 | GRX43 | Red | 2021 | |||
| 131 | Custom Small Block · color 2GTB62 · Yellow New | Experimotors | 10/10 | GTB62 | Yellow | 2021 | |||
| 151 | Custom Small BlockHCT82 · Light Blue | Experimotors | 8/10 | HCT82 | Light Blue | 2022 | |||
| 151 | Custom Small Block · color 2HCX69 · Green | Experimotors | 8/10 | HCX69 | Green | 2022 | |||
| 030 | Custom Small BlockHKH16 · Orange | Brick Rides | 2/5 | HKH16 | Orange | 2023 | |||
| 030 | Custom Small Block · color 2HKJ86 · Metallic Blue | Brick Rides | 2/5 | HKJ86 | Metallic Blue | 2023 |
Frequently asked questions
Who designed the Hot Wheels Custom Small Block?
Kevin Cao, according to the model pages of the Hot Wheels Wiki – that is where our designer data comes from. Our database credits Kevin Cao with 139 castings in total.
When did the Hot Wheels Custom Small Block come out?
The oldest release in our database is from 2021, the most recent from 2023 – 3 different years in all.
How many versions of the Hot Wheels Custom Small Block are there?
Our database lists 6 releases across 3 years, in 6 different paint jobs. The table on this page has every one of them with year, series and toy number.
Which wheels does the Hot Wheels Custom Small Block have?
These wheel codes appear in the release data of the 6 versions: 5SP · 5 Spoke. The codes are in our release data, the plain names in the wheel directory of the Hot Wheels Wiki; matching code to name is our own reading.
Is there a Treasure Hunt of the Hot Wheels Custom Small Block?
Our database lists no Treasure Hunt and no Super Treasure Hunt version of this casting.
Has Wheel Wonderland unboxed the Custom Small Block?
Not yet. Every unboxing we have is listed under Unboxings, and on the page of a single release you can request one.
This page last changed: Sep 28, 2026. The Hot Wheels database behind it is our own and is updated daily – releases from 1968 onwards plus our own unboxing videos.