NHRA Tech Department makes corrections to the engine blue print specifications
- Dec 21, 2015
- 1 min read
The NHRA Technical Department recently made changes to the blueprint specifications.
Ford 1992 302 225 head casting F1ZZ-B
Ford 75-76 351-400 throttle bore 1.686 change to 1.583
Ford 72-73 302 added head casting D2OE-BA
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