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The Q4 employs intricate chambers
Multi-variable rearsets
All intake boots are sold separately
It's the perfect option for riders looking for premium protection at an affordable price
auto-switch to internal battery
KB Performance Hypereutectic Piston Kit 3.437" +0.030" 9.0:1 CR 74" Big Twin - KB263.030 For Harley Motorcycles 1941-1979 Brand_No-mar The Q4 employs intricate chambersFeatures Manufactured from high strength, T 5, heat treated, 390 hypereutectic aluminum alloy Allow a tighter fit and longer piston and ring life Diamond machined pistons are held to plus or minus one gram weight and less than one half thousandth inch (. 0005") tolerances from piston to piston Each kit contains two pistons, pins, spiral lock pin clips and Hastings moly rings Replacement piston rings and pin lock rings available separately KB pistons
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