Plastic breather valve spacers .160" - L77-99 B.T. (excl. Twin Cam) (NU) 500699 Chrome Steel Dual Disc TeeChrome

Chrome Steel Dual Disc TeeChrome plated

Calibration scew of tool is adjustable to simulate correct spark plug gap

Like all Speedsters

and the Teng Master Tool Set

#3 = front intake

Plastic breather valve spacers .160" - L77-99 B.T. (excl. Twin Cam) (NU) 500699 Chrome Steel Dual Disc TeeChromeUse with plastic breather valves only. Large hole. Note: Steel breathers require steel breather valve spacers. Plastic breathers require plastic spacers. Do not intermix steel and plastic parts. Note: The OEM plastic breather is low cost but an inferior, poor quality product that will cause damage to crankcases in the breather bore since it is prone to distorting. The sooner this stock type breather is removed, the better. We highly recommended to