Clutch Rollers, Set of 4, for TAPP Primary SIZE:'+3 mm EVP XR Series Primary Clutch

EVP XR Series Primary Clutch Bolt will fit 2021 XP Turbo/S

Every VooDoo KRX roll cage is meticulously handcrafted

Durability

TF ELITE Ball Joints

Clutch Rollers, Set of 4, for TAPP Primary SIZE:'+3 mm EVP XR Series Primary ClutchDESCRIPTION All EVP. MOde Spec TAPP primaries are calibrated with +2mm rollers. Bigger rollers make the low end "quicker RPM's" but shift out quicker and lower the full shift RPM. This has to do with the angle of the arms combined with the weight difference of the rollers. +1mm Rollers Outside Diameter 16. 5 mm with a weight of 12. 5 grams each. +2mm Rollers Outside Diameter 17. 5 mm with a weight of 15. 3 grams each. +3mm Rollers Outside Diameter 18.