NHRA Tech Department makes updates to the engine blueprint specifications
- Sep 28, 2021
- 1 min read
Sept. 28, 2021
The NHRA Technical Department recently made changes to the blueprint specifications.
Olds 1992 138/120 added replacement cylinder head
Olds 93-94 138/115 added replacement cylinder head
Pont 1992 138/120 added replacement cylinder head
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