OEM BLOCK 74.5mm 12:1 WISECO PISTON 249.78cc COMETIC GASKET BIG BORE CYLINDER KIT FOR 1987-1992 HONDA TRX250X

OEM HONDA TRX250X 74.5mm BIG BORE CYLINDER KIT

RECONDITIONED OEM BLOCK BORED OUT TO 74.5mm

TOTAL CC: 249.78cc

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco’s forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you’re looking for.

• Engineered, forged, and machined in the USA in Mentor, OH
• Designed and built for each specific 4-stroke powersports engine
• Improved tensile strength of forged material optimizes strength and service life
• Dedicated forgings allow for optimized strength-to-weight ratio
• Includes high-quality piston rings, wrist pin(s), and circlips

Cometic Gasket EST (Extreme Sealing Technology) top-end gasket kits contain the most technologically advanced materials available to ensure a critical seal and superior durability that meet and exceed OE specifications. These Cometic Gasket EST top-end gasket kits are complete with a head gasket, a base gasket, and designated kits include reed, power valve, and exhaust gaskets. Cometic multi-layer steel head gaskets are comprised of two embossed Viton® coated stainless steel outer layers and a variable stainless center layer. The base gaskets are Viton® coated rubber with a steel core. Some of these kits include engine cover gaskets made from AFM material--a nitrile synthetic rubber that is bonded to an aluminum core.

KIT INCLUDES:

74.5mm OEM CYLINDER BLOCK

WISECO 74.5mm 12:1 4440M07450

COMETIC C7143-EST GASKET

HIFLO HF112 OIL FILTER

NGK 2923 SPARK PLUG