FAST · New
FAST OE Fuel Rail Kit LSXR LS3/LS7
MPN 146025-KIT · Store SKU fst146025-KIT
Supplier stock checked 11/7/2026, 4:07:57 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
This fuel injector spacer kit for LS3/L99 and L76 engines is designed to allow the use of OE fuel rails with our 146102B, 146103B and 146104B 102mm intake manifolds. Fuel Injector Spacer Kit for LS3/L99/L76 w/ Factory Rails and LSXr Manifold FAST LSX/LSXR
Manufacturer fitment & guides
Check 146025-KIT 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