FAST · New
FAST Throttle Body LS 92MM
MPN 54090 · Store SKU fst54090
Supplier stock checked 11/8/2026, 2:29:48 AM 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
Our Big Mouth 92mm Throttle Body for GM LS features a black wrinkle powder coating finish along with an improved throttle blade and pivot. In addition, our throttle body improves throttle response and eliminates blade deflection. FAST Big Mouth Throttle Bodies for the LSX 92mm and LSXR Big Mouth LT Billet 92mm Throttle Body for GM LS
Manufacturer fitment & guides
Check 54090 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