ALPINESTARS Session Race Vest - Black/Red - Large 4753519-13-L Slave Cylinder Case Saver Kit What is the difference between

What is the difference between STOCK and KIT engine covers

Clutch Cover

comes with a removable USFS approved spark arrestor making it easy to alternate between off-road and closed course riding Machined aluminum muffler brackets for increased strength and durability Asymmetrical muffler configuration for increased packing volume Most systems equipped with a RC-4 Resonance Chamber for reduced sound output Machined mid pipe to headpipe joint for a better

Constructed with a single layer palm and stretchable single layer top for optimized fit and feel

ALPINESTARS Session Race Vest - Black/Red - Large 4753519-13-L Slave Cylinder Case Saver Kit What is the difference betweenMulti material shell construction: wind breaker soft shell in the exposed area and polar fleece fabric to increase comfort and thermal capability. Two front hand pockets. Reflective insert to increase visibility of the rider. Slim collar construction with stretch main fabric and microfiber comfort inner lining. Microfiber comfort edge on collar and cuffs.