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Huge displacement increase means huge power increase Works with stock crankcases Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS (multi-layered steel) head gaskets Retains stock engine height Includes 131" Cam Cover Badge Must be used with 4-5/8" stroker flywheels to achieve 131" displacement
improved tonal branding
active speed sensor
Constructed from 6061 aluminum
Molded flexible urethane foam interior for maximum comfort
Arrow Aprilia Rs4125'17 Homol.Thunder Alum. Silencer Low Version For 51013mi/Kz Link Pipe And Original Collectors 51515ao Link Pipe Huge displacement increase means hugeTypically ship within a few business days APRILIA RS4125'17 HOMOL. THUNDER ALUM. SILENCER LOW VERSION FOR 51013MI KZ LINK PIPE AND ORIGINAL COLLECTORS
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