Dynojet 424x: Installation Guide - Manual (Page 146)

In Ground Model 424x/424xLC 2 Automotive Dynamometer Installation Guide
A P P E N D I X D
Bridge Extension Installation
D-6
8 Secure the center mount extension to the extended runner mounts using four
3/8 x 1/2-inch pan hex bolts.
9 Continue with installing the runner supports, step 4 on page 3-35.
Figure D-5: Secure the Center Mount Extension
AD162
center mount extension