FAST · New
FAST EZ Fuel 4150 Flange Throttle Body
MPN 304152 · Store SKU fst304152
Supplier stock checked 11/7/2026, 11:26:43 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Direct bolt-on carburetor replacement with throttle body dimensions similar to Holley & other popular carburetors, including a Holley-style throttle linkage & 4150 square flange intake bolt pattern. Includes injectors & fuel rails supporting up to 650 HP. Advanced dyno-based design for proper fuel distribution in single & dual plane manifolds. Lightweight aluminum construction This is the throttle body that comes with all EZ Fuel Throttle Body Injection systems and EZ Fuel + Ignition Dual Quad Kits EZ Fuel 4150 Flange Throttle Body
Manufacturer fitment & guides
Check 304152 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y