409 Big Block Rebuild
- info039572
- Jul 15, 2025
- 1 min read
This engine was the birth of the modern big block Chevrolet.
Major differences are,
The blocks are at a 74-degree angle to the centreline of the cylinders.
W Style cylinder head
Angled piston crown
If you are looking to rebuild your 348 or 409 Big Block give us a call here at
Sydney Engine Services.
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