Tech:Engine/K Series/Heads
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camerondownunder88 started compiling a list of head casting numbers on the forum. This has been moved here for easy access and posterity.
Block - Head casting number. K: Mildport K: 45
3K: Standard 3K: 5, 19, 31, 85, 86 (pending) Smallport 3K: 25 3K Bigport without water jackets: 24010-190, 24010-141, 24010-200, 24010-217, 24010-195, 24010-155 3K-H: 33.
4K: Standard 4K: 3, 10, 57, 20, 13, 2, 6, 65, 1 Mildport 4K: 11 4K-E: 8
5K:
5K: 24, 2*
7K:
- Denotes a head with ridges under spark plug 1 and 4 identifying a dished piston head sharing a casting number with a flat top piston head.