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combustion chamberValve guides cutPocket port for oversize valvesComplete assembly including shimming and cam installKibblewhite valve spring kitKibblewhite +1mm White Diamond one piece stainless valvesKibblewhite Viton valve stem sealsValve keepersShimsTappetsStage 3 HotcamsGreat for stock and perfect for built enginesHead is used
our kit not only prevents future problems but also long lasting solution
91207-ML3-871
High-quality construction
Honda 400EX 86 87 88 89 mm Big Bore Cometic Top End Gasket Kit C7826 Stem Seals Shindy combustion chamberValve guides cutPocket portHonda TRX 400EX 8689mm Big Bore Cometic Top End Gasket Kit C7826 + Seals Product Overview Designed for high performance big bore builds, the Cometic Top End Gasket Kit (C7826) is ideal for 86mm, 87mm, 88mm, and 89mm piston setups such as 416cc, 426cc, and 440cc kits. It includes premium Viton valve stem seals and is made in the USA to the highest standardsperfect for high compression and stroker builds. Whats Included Cometic Top End Gasket Kit Part