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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Polaris (ATV)
14:1 compression ratio boosts power across the RPM range
Q: Does this kit include all four wheel bearings
Set of 2 high-quality SKF crankshaft main bearings
Rhino Grizzly 660 Valve Rocker Arms Shafts YFM660R Rockers Shaft 2 3 4 Complete Commander 800 Polaris (ATV)3YF 12151 00 00, 3YF 12161 00 00, 3YF 12162 00 00, 3YF 12163 00 00, 3YF 12146 00 00, 3YF 12166 00 00, 2NX 12156 00 00 Rhino Grizzly 660 Valve Rocker Arms Shafts YFM660R Complete Kit Restore Valvetrain Precision: Bring Back Smooth & Quiet Engine Operation! Is excessive engine noise driving you mad, or is your Yamaha 660cc ATV or Side x Side losing its smooth idle? Worn valve rocker arms and shafts can compromise your valvetrain's integrity, leading to