Everyday Low Price: $36.99
Gold Club Price: What's This? $33.29
J&P Part: 720-784
Capacity: 6 gallon
Sold in Units: Each
I installed Screamin' Eagle heads (got a deal I couldn't pass up) but shortly afterwards noticed a bit of knocking when I rolled hard on the throttle. The Spirit fuel purifer did the trick. Easy to install and NO MORE KNOCKS.