SI Harley Davidson OEM Performance Valves
Black Nitride Coated

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
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SI Harley Davidson Motorcycles Valves

Valves

HARLEY DAVIDSON MOTORCYLES
OEM TYPE BLACK NITRIDE

DESCRIPTION YEAR HEAD SIZE PART NUMBER  Your Cost
ea. $
EX Sportster 1970-Up 1-9/16 N18080-58A 11.54
EX Sportster 1970-Up 1-5/8 N18080-60R 11.54
EX Sportster 1970-Up 1-3/4 N18080-70R 11.54
IN Sportster 1970-Up 1-15/16 N18070-70 11.54
EX Sportster 1958-69 1-9/16 N18080-58A 11.54
IN Sportster 1958-69 1-13/16 N18070-58 11.54
EX Shovel Head 1966-Up 1-3/4 N18082-57 11.54
IN Shovel Head 1966-Up 1-15/16 N18074-66 11.54
IN Shovel Head   2.000 N-18074-660S 11.54
EX Pan Head 1948-65 1-3/4 N18082-57 11.54
IN Pan Head 1948-65 1.750 N18071-48 11.54
EX Evolution* 1983-Up 1.615 N18082-83 11.54
(also fits new Indian)        
IN Evolution* 1983-Up 1.850 N18074-83 11.54
(also fits new Indian)        
IN Evolution 1983-Up 1.940 HD-113X 13.87 
IN Evolution   1.900 HD-113-XS 13.87 
EX Knuckle Head 1937-48 1-3/4 N18071-36 11.54
IN Knuckle Head 1937-48 1-3/4 N18071-36 11.54
EX Flathead 45 1932-Up 1-5/8 HD45I 13.87 
IN Flathead 45 1932-Up 1-5/8 HD45E 13.87 
EX Flathead 80 1932-Up 1-59/64 HD80E 13.87 
IN Flathead 80 1932-Up 1-59/64 HD80I 13.87 
EX Evolution   1.700 HD-126-C 13.87 
IN Evolution   1.940 Tulip HD-127 13.87 
EX Evolution Branch Flow 1.615 HD-BF-EV1 16.97 
IN Evolution Branch Flow 1.850 HD-BF-EV2 16.97 

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