FAST · New
FAST 2014+ GM Gen V LT1 FireWire Spark Plug Wire Set
MPN 255-2421 · Store SKU fst255-2421
Supplier stock checked 11/7/2026, 10:42:21 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
The FAST wireset for 5th Generation Camaro and C7 Corvette is designed specifically as an easy upgrade to complement other bolt-on upgrades to ensure that your LT-1 receives a consistent, hot spark. FAST FireWire Spark Plug Wire Sets make it easy for owners of GM Gen V Firewire GM 5th Generation LT-1 Spark Plug Wireset
Manufacturer fitment & guides
Check 255-2421 against the manufacturer’s application information below.
Part-specific notes
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