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The non-sealed 520ERT3 is our #1 selling motocross chain and is used by race teams such as Monster Energy Kawasaki
Yamaha TTR110 (2008-Present)
KTM 200 XC-W 2006-2016
FE 250-501
FMF Powercore 4 Exhaust Spark Arrestor Honda CRF125F ('14-'18) | 041534 Closeouts The non-sealed 520ERT3 is ourThe Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of
