Tray fingers: Yes

Increased durability: Iridium and platinum technology allows the spark plug to hold significantly longer than ordinary spark plugs

Muffler Finish: Carbon Gas Approval: ECE Approved (Euro 4) Homologation: CE Homologated Horspower Benefit: 6

Muffler finish: Stainless Steel Gas approval: ECE approved (Euro 5) Homologation: CE homologated Horsepower benefit: 3

CYLINDER WORKS CYLINDER KIT BIG BORE HC 10007-K03HC gas-gas-txt-pro-250-racing-250-2013-esi5525488 Tray fingers: YesReady to install, Direct Bolt on cylinder requires no re platting and look virtually identical to the oem cylinder, cylinder kit comes with matched vertex pistons to enure Longevity, performance and reduced engine noise, pistrian, pistrian, pistrian, pistr Kit, Nickel Silicon Carbide plated for Long Life, Made in the USA