TAPP PRIMARY CLUTCH ROLLERS, SET OF 4 Size:'+2MM Whether you're looking for the

Whether you're looking for the lightweight DSR30

Rockwell hardness between 50-55

The newly redesigned Evolution Powersports Billet Fuel Rail for the Maverick X3 is another product developed through our sponsored racer program and in-house drag racing program

Other EVP reinforced silicone products to replace the inferior OEM parts are also part of a complete kit and are available separately

Every internally wastegated turbocharger has a Turbosmart wastegate actuator with an easily adjustable turnbuckle for quick adjustments

TAPP PRIMARY CLUTCH ROLLERS, SET OF 4 Size:'+2MM Whether you're looking for theAll 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. The roller assembly consists of a roller, axle and two washers. +2mm Rollers: Outside Diameter 17. 5 mm, with a weight of 15. 3 grams each IMPORTANT As with the ramp angle roller size must be