Athena Top End Race Gasket Kit Yamaha YZ250 1999-2024

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season Kit includes a top-of-the line MLSS head gasket and two or more premium-quality base gaskets of different thicknesses to optimize engine compression ratios Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression Kit does not include valve stem seals, rubber parts, shims, or other fiber gaskets.

• Brand: ATHENA
• Vendor Part Number: R4856-267
• Engine Type: 2-Stroke
• Material: MLSS (Multi-Layer Stainless Steel)
• Product Name: Gasket Kit
• Style: Race
• Type: Top End
• Units: Kit