Answer: No. The heads, cams, pistons, crankcases are all different. You should just use parts specifically designed for your size engine. Each year Harley-Davidson improves its engines trying to fix those nagging engine defects to some degree or another and it becomes a nightmare to try to interchange parts. Just because a engine is a Twin-Cam does not mean parts will fit the 88, 96, 103, 110, etc. This is not a bad thing. Every improvement H-D can make is just one less problem us riders need to endure.


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