Thread: "Plug and Play" SPF Replacement Headers?
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Old 11-15-2007, 02:29 AM
dlang14 dlang14 is offline
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Join Date: Feb 2003
Location: Morgan Hill, CA
Cobra Make, Engine: SPF 2293, Roush 427R-228
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Van,

What heads are on your motor? SPF has two different 351 headers now. The origional version fit great on Ford casting heads, but didnt match up well with AFR heads with big exhaust ports. SPF now has what they call 402 headers (assuming because of the Roush 402 uses the AFR heads).
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