This is topic 351/408 over bore in forum Tech Talk at Northern California Ford Owners  .


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Posted by 93mustangt (Member # 680) on :
 
What is the pistons overbore on the 351 with a 408 stroker?
 

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Posted by CustomFastbackCA (Member # 1369) on :
 
mine are 4.040. But I believe the range are 4.030 to 4.060.
 

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Posted by Norcalbmxer (Member # 235) on :
 
With a 4" stroke here are your numbers
related to the bore
Bore = CI
4.02 = 406
4.03 = 408
4.04 = 410
 

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