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The 58mm Athena cylinder increases displacement from 125cc to approximately 144cc for significantly improved power and torque
FITS ALL YAMAHA CARB MODEL YFZ450s
Wiseco 62mm BIG BORE Forged Pistons Kit (Includes OEM spec rings
BPRATV Yamaha Blaster YFS 200 SKF Main Crankshaft Bearings + Crank Seals Kit Set a
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11-14 Polaris RZR S 800 Engine Rebuild Kit Hot Rods Crankshaft Pistons & Gaskets YFM350 The 58mm Athena cylinder increasesBPRATV Complete New Engine Rebuild Kit for Polaris Ranger, RZR & Sportsman 800 EFI MODELS! BPRATV HOT RODS ALL BALLS VERTEX NAMURA The Best Best Rebuild Kit at The Best VALUE! Fits: RZR 800 (20112014); RZR 4 800 (20122014); RZR 4 800 [INTL] (2011); RZR 800 S (20112014) ***INCLUDES Counter Balancer Bearings!!*** Complete Top & Bottom Rebuild Kit Includes: BPRATV 80mm Stock Bore Nikasil Cylinder (1 Year Warranty)* Hot Rods Complete Bottom End Rebuild