FAST · New
FAST Throttle Body LSX 102MM
MPN 54102 · Store SKU fst54102
Supplier stock checked 11/7/2026, 12:35:17 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
The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to eliminate deflection and a beefed up linkage and spring mechanism. Big Mouth Billet 102mm Big Mouth Throttle Body for GM LS w/o TPS or IAC FAST Big Mouth Throttle Bodies for the LSX 92mm and LSXR
Manufacturer fitment & guides
Check 54102 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