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Product Description
The NGK BPR9ES are 2 heat ranges
cooler then the stock Evolution spark plugs. These cooler plugs have additional
detonation resistance, and are more prone to fouling as compared with the stock
OEM spark plugs. Price includes (4) spark plugs.
TECH TIP: We suggest you
change your plugs every 3-6 months to ensure a correct spark under high boost.
These plugs are copper so they need to be change more frequently. We recommend
purchasing a
spark plug gapper tool to properly gap your spark plugs. Please note these
plugs come ungapped.
Part # 7788
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Autometer Ultra Lite Boost Gauge
