Description
Brisk Iridium Performance RR14BYIR-7
You’ve asked and we’ve listened. Introducing a new part number in our Iridium Performance P+ line.
This is a one heat range colder than factory plug that is a direct replacement for NGK 6510 & Motorcraft SP-542
The RR14BYIR-7 come factory pre-gapped at .030 which is a perfect drop in replacement for the stock plugs. We suggest selecting custom gaps of .028 for tuned applications and .026 for turbo upgrade applications
RR14BYIR-7 has been optimized for turbocharged use with a beefier insulator and fine wire construction, it offers excellent performance and a longer lifespan than our Silver Racing equivalent.
Each set includes 6 spark plugs
The Brisk spark plug set qualifies for FREE SHIPPING in the USA
*custom gapped spark plugs sets ship in 1-3 business days
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