Port Cylinder Head

powervalve
YZ250_Big_Bore_Kit_Ported_Cylinder_Head_Powervalve_Complete_Motor_Engine_Rebuild_01_lawi

YZ250 Big Bore Kit Ported Cylinder Head Powervalve Complete Motor Engine Rebuild

72mm big bore cylinder Stage 3 fully ported & polished. Wiseco or Wossner 72mm big bore forged performance piston. Nitrite coated piston rings. Big bore cylinder head. Powervalve machined for 72mm bore. Talon HD replacement crank with rod assembled. SKF HD crank bearings. TITANIUM cylinder stud kit with 12 point flange nuts. TITANIUM cylinder head stud kit with 12 point flange nuts. Compatible with all 2003+ Yamaha YZ250 and YZ250X two stroke models. Powervalve and cylinder head modification required for ALL 72mm big bore cylinders. PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. DO YOU MAKE A LIVING WORKING ON BIKES? ARE YOU A SHOP OR…
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99_YZ250_YZ_250_Big_Bore_Kit_72mm_Ported_Cylinder_Machined_Head_Powervalve_01_okb

99+ YZ250 YZ 250 Big Bore Kit 72mm Ported Cylinder Machined Head Powervalve

FITS ALL 1999 AND NEWER YAMAHA YZ250 TWO STROKE MODELS. 72mm ported big bore cylinder. Wiseco or Wossner 72mm forged piston. Cylinder Works cylinder head machined for 72mm big bore. Big bore power valve assembly matched to cylinder. Maxlock cylinder to crankcase stud kit. Piston uses pump or race gas. At bpratv our kits come with parts from the best brands in the industry. What makes our kits different is they are always more complete than our competitors'. We want you to spend as little time having to search for parts as possible. We always stock the exact same parts from different companies so that when back orders occur we…
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