FAST · New
FAST Replacement Intake Port Seal
MPN 146003-1 · Store SKU fst146003-1
Supplier stock checked 11/7/2026, 7:38:37 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
This gasket is designed to provide a seal between the LSXR 102mm intake manifold and an LS3 Rectangular Port design cylinder head. LSXR 102mm LS3 Intake Manifold Port to Cylinder Head Seal LSXR 102mm Intake Port Seal LS3/L76/L92/L99 - Single
Manufacturer fitment & guides
Check 146003-1 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y