To build Danger Mouse strong, we chose a Motown cast-iron four-bolt block. It came to us finish-machined with the main bolts torqued in place.To build Danger Mouse strong, we chose a Motown cast-iron four-bolt block. It came to us f One extra cool feature of the Motown block is that the notches are machined into the sides of each main cap to make removing them easy.One extra cool feature of the Motown block is that the notches are machined into the sides 1 | 2 | » | View Full Article Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!