Heiden Dyno Tune Needle & Jet Kit

Dyno Tune Needle & Jet Kit.- Stage 1

48-0667 Kit smoothes out the powerband and removes the midrange hesitation and leanness resulting in a smooth acceleration from idle thru redline. 48-0667 Kit Contains: 2 slide needles 7F6(#48-0664), 2 pilot jets#45 ( 48-0607), 4 main jets (2 sizes), 2 Pc. # 132.5 ( 48-0118) for Standard exhaust + 2 Pc. # 135 (# 48-0119) for free flowing exhaust. + 1 Drill bit to modify slide, Instructions for tuning with various Exhaust & Carb/Intake setups. Fits: Mikuni BS34 CV Carbs as used on North American model 1980-84 XS650’s.

Part #48-0667 $19.90/Kit – STAGE 1