Harley Davidson Oil Pump Ultima 98-518 High Volume Output 1984 - 1991 Big Twin EVO Shovelhead Models Polished 98-518 machined then heat treated to HRC

then heat treated to HRC 36+-2 standards

Bike It Kill Switch Suzuki RM - Bullet/Ring Connectors

Race versions have 2-step removable baffle 21/2" to 3" with quiet baffle available

Made in USA

Harley Davidson Oil Pump Ultima 98-518 High Volume Output 1984 - 1991 Big Twin EVO Shovelhead Models Polished 98-518 machined then heat treated to HRCHarley Davidson High Volume Output Oil Pump 1984 1991 Big Twin EVO Shovelhead Models Polished 98 518, Ultima High Volume Polished Oil Pump 1984 thru 1991 Big Twin Modles this Ultima High Output (H. O.) Oil Pump. Ultima's main focus on the development on the new oil pumps was consistency. Ultima pumps are checked on a Coordinate Measuring Machine, and flow tested on a test stand to insurethe oil pumps are consistent from one pump to the next, and the