Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
- Brand:
-
- ES#:
- 4940638
- Mfg#:
- FFK-POR991
Ships on Jun 22, 2026
$479.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement