Kawasaki Ninja EX/ER 650 Over-Bore Head Gaskets 85mm 2mm/86mm 3mm

Description Spears Racing Kawasaki Ninja EX/ER/Z 650 Over-Bore Head Gaskets Spears Racing offers custom-designed Kawasaki Ninja EX/ER/Z 650 over-bore head gaskets, meticulously crafted to complement their overbore race piston kits. Available in two sizes—plus 2mm (680.94cc) or 3mm (697.06cc)—these gaskets, with a thickness of 0.027 inches, are engineered to enhance torque and rear-wheel horsepower (RWHP) for superior racing performance. Constructed from two layers of high-quality stainless steel, these gaskets provide exceptional strength, resilience, and corrosion resistance. The outer layers are embossed and coated on both sides to ensure a reliable seal under extreme conditions, including high-pressure and high-temperature environments. With heat resistance up to 250°C (482°F), these gaskets are built to withstand the rigors of competitive racing, making them a trusted choice for professional racers in prestigious series such as the MotoAmerica Twins Class, Isle of Man, and Irish Roadracing circuits. Designed exclusively for racing applications, Spears Racing’s head gaskets are a testament to the company’s decades-long commitment to innovation and excellence. Each gasket undergoes rigorous research and development to meet the demanding requirements of various sealing environments, load conditions, and surface finishes. The use of spring steel and proprietary coatings ensures durability and a positive seal, critical for high-performance engines. Spears Racing has been a leader in race product design for years, continuously adapting to industry advancements. Their proprietary components, like these over-bore head gaskets, are tailored for specific applications to exceed performance standards. Each purchase includes one (1) gasket, available in 85mm or 86mm to match your engine’s specifications. Choose Spears Racing for unmatched quality and performance in your Kawasaki Ninja EX/ER/Z 650 racing build.