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Includes three bolt pattern on the backside of the converter adapter to support multiple chevy and converter bolt patterns. The following PCDs are:
- 10.75inch (6-bolt) - 11.08inch (6-bolt) - 11.5inch (6-bolt) Adapter plate thickness is 35mm. Note! Recommended to use a non-shrouded starter, otherwise you need to trim the adapter and gearbox bellhousing.