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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
The Black Diamond valves are proven to outlast stock valves by a landslide
54mm Nikasil Athena Cylinder for optimal durability
11:1 compression ratio for added horsepower & torque
Includes Cometic MLS Gasket
Yamaha Banshee Stock CP-Carrillo Pistons Hot Rods Crank Engine Rebuild Kit Seals WR250F The Black Diamond valves are4001, 513M06400, CBK0039, WPC100, 808812, 822154, TBK0072, PWR100 640, S410485301023, S410485301024, P400485100024, 573M06800, 4111, CBK0044, PD300, 808812, 4001, CBK0039, WPC100, 9768M06800, 13077M06800, 822154, BR8ES, K018, 10 301, B1005, 21. 2020, 8101D200, 2GU 11311 00 00, 2GU 11321 00 00,2GU 11181 00 00, 2GU 11631 00 94, 2GU 11610 01 00, 4L0 11633 00 00, 93450 17129 00, 93310 316D6 00,3GG 11351 02 00, B0627020F, B0627018AFM, B0627015F, 99530