KPMI, exhaust valve guide. Manganese. STD - 84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU) 593530 gasoline and water

gasoline and water

84-98 OEM style bolts on directly to most FX/XL models

both are 1/4-28 threaded

Includes receptacle pin lock

Rib neck band

KPMI, exhaust valve guide. Manganese. STD - 84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU) 593530 gasoline and waterManganese bronze. Size: 0. 5620" O. D. (14. 27mm); 0. 3090" I. D. (7. 85mm); 2. 00" OAL (50. 8mm). Comes with special shoulder for ease of installation. Takes OEM valve seals. Shortened to accept valve lifts up to . 600". Softer and less durable then C630 bearing bronze but will allow a lower cost and reaming to size is quick and easy. Finish can be done with simple tools like a ball hone and an electric drill. Rapid heat transfer and excellent