Manganese bronze valve guides are popular in high-performance and racing engines because they offer superior wear resistance, high-temperature strength, and excellent heat dissipation
The Manganese guides are easily reamed, and then can be delicately finished with our high quality ball hones.
* OD = 0.5635" (+0.001" Oversize)
* ID = 0.2750"
* Replaces OEM # 16461-02
Matching Exhaust Guide # KPM-20-20701M
KPM Recommended Seal # KPM-71028-4
