1 Pack NGK 6637 Iridium IX Spark Plug BPR6EIX

The NGK 6637 Iridium IX Spark Plug (BPR6EIX) is built for high-performance and long-lasting ignition in small engines, motorcycles, and powersports vehicles. With an ultra-fine iridium center electrode and tapered ground electrode, it ensures superior ignitability, reduced misfires, and exceptional durability under demanding conditions.

Features & Benefits:

🔧 Iridium center electrode delivers long life and stable spark
🔧 Fine-wire design enhances ignition efficiency and throttle response
🔧 Tapered ground electrode reduces quenching for better combustion
🔧 Pre-gapped for easy, OE-style installation

Specifications:

Brand & Part Number: NGK 6637 (BPR6EIX)
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 13/16 in (20.8mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Gap: 0.8mm (0.031 in)

Choose NGK BPR6EIX Iridium IX for dependable ignition, improved fuel efficiency, and long service life in your small engine or powersport application—order now!