NGK N4177 TR6 Spark Plug 602/604 Crate Engine LS1/LS Trk Set of 8
8-pack of NGK TR6 firesticks for your LS crate beast. Whether it’s a 602, 604, LS1, or truck block with attitude, this copper-core, heat range 6 plug set is the gold standard for clean fire under pressure. Boost? Nitrous? Trash tune? They’ve seen worse—and kept sparkin’.
Pre-gapped close, ready to rock, and cheaper than a tow bill. Add to cart and give your LS the spark it deserves.
Store Policies
We’re splitting the difference! In-stock items will be shipped right away, and we’ll send the rest as soon as they hit the shelves. If any backordered items are expected to take longer than 5 days, we’ll reach out to let you know what’s up and keep you in the loop.