Spark Plug R9IV/D8RIV(1 pcs)Specification: R9IV Diameter ofthread: 10mm Length ofthread: 19mm Six side size: 16mm Calorific value: 9 D8RIV Diameter ofthread: 12mm Length ofthread: 19mm Six side size: 17. 5mm Calorific value: 8 Feature: Iridium alloy has an extremely high melting point Iridium electrode is 25% smaller than a platinum electrode and is 1 4 the size of a conventional nickel electrode Fine wire center electrode ensures high durability and a consistently stable spark

Group B: #42 #45 #48 #50 #52

Main Jet #135

Bore diameter: 26mm

Strong impact resistance and anti-break performance

Spigot: 26mm ID

Kohler CH260

Suitable for original carburetor with 19mm and 20mm bore

The PE carburetor boosts motorcycle performance with precision engineering and durable construction

PWK38 Carburetor is designed to improve vehicles performance and achieve excellent results in various off-road races

Logo and slogan design on the back

designed specifically for Zongshen NC series engines

Group I:#152 #155 #158 #160 #165