| BRAND | MODEL | COMMON NAME | DECK HEIGHT | WEIGHT | BORE SIZE |
| Tillotson | 13220052 | Tillotson Race Block | 135.625mm | 105.6oz | 72mm |
| Non-specific | TC225 | EC 240RS | 136.875mm | 92.3oz | 72mm |
| Rato | Z1404-B21 | Anyone's guess | 138.625mm | 98.5oz | 70mm |
| Loncin | G210FA | Predator 212 hemi | 135.125mm | 90.5oz | 70mm |
| Ducar | DH224 | Predator 224 non-hemi | 136.625mm | 97.4oz | 70mm |
| Rato | R210 | Predator 212 non-hemi | 135.625mm | 94.7oz | 70mm |
| *All blocks use a 41.25mm crank bearing* | |||||
