


217.473.4998
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Please feel free to contact us by phone or email by Clicking Here! We prefer texting.
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No Refunds allowed. We ask that you make sure you are confident in purchasing before you pay for our services. Due to the nature of our business it is very difficult to suddenly get a request for a refund.
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Build times are now very reasonable. We are max 2-3 weeks.
Come visit us on Facebook
https://www.facebook.com/SprPerformance
We Specialize in:
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Custom SBC (46mm) and BBC (54mm) TBI Builds
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Stock SBC (42mm) and BBC (50mm) TBI builds with mild performance mods
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Marine TBI unit builds
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Carb to TBI Conversions
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-6AN conversions
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Intake Boring Services
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TBI Boring Services
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Custom TBI builds for 383 Strokers and other higher TBI horsepower setups
We are now boring in house so we are able to get our build times down to a reasonable time-frame.
Custom Chips & Engine Build recommendations Harris Performance, INC.
Please contact him via his website or email him at tbichips@hotmail.com
I ONLY RECOMMEND CHIPS FROM HARRIS PERFORMANCE
