Seller notes

This TBI 40hp power up kit is the best money you will ever spend on your TBI motor - and in the process make it breath better, run better, and add up to 40hp over a stock TBI setup. We are including instructions on modifying your TBI base and throttle shaft for better air flow, including a 14psi pressure regulator spring to bump fuel pressure slightly - and a 1/4" TBI injector spacer (with extended screws) all that will add up to 70cfm. white or black spacer This kit will work on stock motors, o...

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