Autolite Spark Plug - #4164 4164

CLTCH BSKT RMZ/X450 08-18CLUTCH BASKETSConstructed from billet aluminum and hard anodized to deliver enhanced clutch modulationExtreme durability resists notching and extends clutch lifeExclusive...

Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increaseStage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increaseStage 3:...

High-performance racing camshaftsIn most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepowerSelect cams feature Hot Cams Improved Throttle Design (ITR)...