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5:1 compression ratio for improved efficiency
A: Compression ratio depends on your cylinder and head setup
this kit provides everything you need to build a high-performance engine that truly dominates
This is the full conversion kit for your head for more reliability
Athena Banshee MODELS AND YEARS
Yamaha Raptor Warrior Wolverine Grizzly 350 Kibblewhite Intake & Exhaust Valves KX250F 5:1 compression ratio for improved80 80012, 80 80014, 80 8000, 1UY 12111 00 00, 1UY 12111 01 00, 1UY 12121 00 00, 1UY 12121 01 00, 1J7 12119 01 00, 1L9 12119 00 00, M01 12129 00 00 Yamaha 350 Series Kibblewhite Intake & Exhaust Valves Stem Seals Product Overview Upgrade your Yamaha 350 utility sport ATV with a premium Kibblewhite Black Diamond valve set. This kit includes one intake valve, one exhaust valve, and hightemp valve stem seals for reliable sealing and long life. KPMIs Black